Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
Best Choice SEAC 
SEAC Speed Snorkeling Swim Fins (Blue, 44-45 EU) ANATOMICAL FIT: the Sea Speed snorkeling fin features a full foot closed shoe designed in soft thermoplastic rubber thatBest Value Emsina 
Emsina Snorkel Fins with Full Foot Pocket, Durable Long Diving Fins, Professional Snorkel Gear for Snorkeling, Diving & 🏊 Maximize Your Kick Power: Long blade design delivers greater thrust and propulsion, ideal for lap swimming, freedivinCAPAS 
CAPAS Snorkel Fins, Swim Fins Travel Size Short Adjustable for Snorkeling Diving Adult Men Women Kids Open Heel Swimming Adjustable Open Heel Design, Good for Sharing - The open-heel design means each fin can accommodate a wider range of siz15% Off Emsina 
EMSINA Snorkel Fins Adjustable Buckles Open Heel Swim Flippers Travel Size Short Swim Fins for Snorkeling Diving Swimmin Fit For All Young Adults & Adults: Our fins come in 2 unisex offerings. S/M fits AU shoe sizes 4-8 & L/XL fits 9-13. ShoCressi 
Cressi Palau Saf - Adjustable Short Flipper Fins for Snorkelling and Swimming, Adult Unisex,Black/Yellow,S/M Nice and modern bag with Palau fins, Onda mask and Gamma snorkelCAPAS 
CAPAS Snorkel Fins, Swim Fins Travel Size Short Adjustable for Snorkeling Diving Adult Men Women Kids Open Heel Swimming Adjustable Open Heel Design, Good for Sharing - The open-heel design means each fin can accommodate a wider range of siz15% Off Emsina 
Snorkel Fins with Full Foot Pocket, Durable Long Diving Fins, Professional Snorkel Gear for Snorkeling, Diving & Freediv 🏊 Maximize Your Kick Power: Long blade design delivers greater thrust and propulsion, ideal for lap swimming, freedivinSEAC SEAC Talent, Semi-Long Fins for Spearfishing, Free Diving and Diving, camo Brown, 36/38 MEDIUM-LONG FINS: Seac Talent fins have a shorter 13cm blade compared to the Seac Shout for better use in shallow watersSPPHONEIX SPP Adult Short Swimming Fins Lightweight Soft Swim Fins Flippers Snorkelling Diving Fins for Lap Swimming Pool Training 【SHORT BLADE FOR EFFECTIVE TRAINING】 Designed with a short blade to increase kick frequency and improve technique. IdealCressi Cressi Short Adjustable Fins | Bonete The Cressi Bonete are short open heel fins with adjustable straps to use both indoors and outdoors. They are ideal for tGeneric Spearfishing Long Flippers (XXL (EU45-46)) Long fin15% Off Emsina Emsina Snorkel Fins with Full Foot Pocket, Durable Long Diving Fins, Professional Snorkel Gear for Snorkeling, Diving & 🏊 Maximize Your Kick Power: Long blade design delivers greater thrust and propulsion, ideal for lap swimming, freedivinOumers Oumers Snorkel Fins, Travel Size Adjustable Strap Diving Flippers with Mesh Bag and Extra Buckle Connector for Men Women Adjustable Design - The open-heel design each fin can accommodate a wider range of sizes, so family member or friends caEmsina EMSINA Snorkel Fins Adjustable Buckles Open Heel Swim Flippers Travel Size Short Swim Fins for Snorkeling Diving Swimmin Fit For All Young Adults & Adults: Our fins come in 2 unisex offerings. S/M fits AU shoe sizes 4-8 & L/XL fits 9-13. ShoCressi Cressi Rondinella 41/42 Diving Fin Yellow Diving Snorkeling Swimming Fins Cressi, a family business with a passion for developing underwater sports productsCressi Cressi Palau Saf - Adjustable Short Flipper Fins for Snorkelling and Swimming, Adult Unisex,Black/Yellow,M/L Nice and modern bag with Palau fins, Onda mask and Gamma snorkel14% Off Wham-O Wham-O Makapuu Scuba Swimming Fins, Black/Orange, X Large, 14-15.5 US Delivers maximum thrust and performance with its original dolphin-inspired shapeSPPHONEIX SPP Short Swimming Fins Training Flippers for Lap Swimming, Snorkeling & Diving, Lightweight Silicone Swim Fins for Men 【Perfect for Swim Training & Technique Improvement】 Designed for lap swimming, these short swimming fins help promote faCressi Cressi Light Swimming Fins (Made in Italy), DP182037, Blue, 4/5 UK (37/38 EU) Cressi, a family owned company with a passion for developing aquatic sports productsSwimfit Swimfit Glide Rubber Fins - 1-3 - Yellow / Blue Full-foot, open-toe design for secure and breathable fit25% Off Roczential Roczential Swimming Flippers - Short Blade Training Fins for Snorkeling, Diving, and Pool Activities - Two Tone Trendy D 【Men, Women, and Kids】 Available in various sizes, our flippers are suitable for men, women, and children. Great for famHPLSZCN HPLSZCN Snorkeling Fins for Adult & Children - Anti-Slip Soft Silicone Fins for Diving & Swimming Travel (L) 【Multi-Size for All Ages】Available in multiple sizes to fit adults’ larger feet and kids’ smaller feet—no adjustment neeBLAZDEVE Snorkel Fins, Swimming Flippers, Swim Training Fins, Full Foot Pocket Swim Fins, Swimming Floating Flippers for Water Tr 【PREMIUM MATERIAL】Snorkel Fins with TPR material, soft and comfortable fit. The material exhibits high toughness, maintaCressi CRESSI CA186337 Snorkeling Swim Full Foot Fin, Blade on Foot Pocket, Lightweight, Polypropylene Blade, Aquamarine, 37/38 Size: 37/38 (23-23.5cm)Rengu Black Short Fins Comfortable and Adjustable Swimming Training TPR Short Fins Softer Edges for Snorkeling, Swimming and D Multi Purpose: Adjustable swimming fins can be used for swimming, snorkeling, training and diving, suitable for adults aPro-Dive Pro-Dive Long Blade Free Dive Fins Large US10-11 Thermo rubber foot pocket15% Off Emsina EMSINA Mask Fin Snorkel Set with Adult Snorkeling Gear, Panoramic View Diving Mask, Trek Fin, Dry Top Snorkel +Travel Ba 【Great Value for 3 Items set snorkel, All in One Go】Comfort is key when it comes to underwater exploration. The ergonomiSEAC Seac Motus Free Diving Soft and Powerful Swim Long Fins for Spearfishing, Size EU 39-40, Grey Helps strengthen and tone leg and thigh musclesF FYJS FYJS Short Swim Fins with Comfortable Full Foot Pocket Travel-Size for Snorkeling and Scuba Diving ULTRA PREMIUM MATERIAL: Sturdy rubber and solid PP, flexible support pads help to maintain the fins in shape when not inCressi Cressi Agua Unisex Diving Fins Cressi is a real diving, snorkeling and swimming Italian brand, since 1946.MELUMILU MELUMILU Snorkel Fins, Swim Fins Travel Size Short Adjustable for Snorkeling Diving Adult Men Women Open Heel Swimming F 𝐍𝐨𝐭𝐞: 𝐎𝐧𝐥𝐲 𝐬𝐮𝐢𝐭𝐚𝐛𝐥𝐞 𝐟𝐨𝐫 𝐋/𝐗𝐋 (𝐔𝐒 𝟖.𝟓-𝟏𝟏.𝟓), 𝐧𝐨𝐭 𝐬𝐮𝐢𝐭𝐚𝐛𝐥𝐞 𝐟𝐨𝐫 𝐒/𝐌 (𝐔𝐒 𝟒.�CHBANG Summer Sports Freediving Long Paddle Fins Suitable for Diving Snorkelling and Water Sports Scuba Diving(Black White,36-3 The compact design allows you to move freely on the pool deck, freeing you from the cumbersome feel of traditional longAIMALL AIMALL Adjustable Diving Flippers Swim Fins, 11.1"/11.9" for Snorkeling, Freestyle Training Gear, Lightweight and Portab 🌊 Comfortable Adjustable Fit: These adjustable diving flippers feature easy-to-use straps for a snug fit, ensuring comfCressi CRESSI BG185037 Free Diving Scuba Diving Full Foot Fin [Pro Star] Lightweight Blade Above Foot Pocket Long Blade, Black, Size: 37/38 (23.5-24cm)TGAHTMI Snorkel Fins, Swim Fins Diving Fins Swimming Training Fins Lightweigh Waterproof Easy Packing and Traveling for Snorkeli 🌴🏄♂️【ADJUSTABLE STRAPS AND BUCKLES】- Open heel design and adjustable straps make the swim fins suitable for differentBOOSTEADY BOOSTEADY Snorkel Fins, Adjustable Swim Fins for Diving Snorkeling Unisex Adult and Youth,Travel Size Open Heel Swimming SIMPLE QUICK CLOSURE – The Swim fins for adults and Youth feature an innovative click system that allows for adjustmentGeneric Snorkeling Fins - Snorkel Diving Fins Adult Swimming Flippers | 1 Pair Adjustable Sports Water Activities Diving Flipper Smooth Propulsion Underwater: The fins' streamlined structure promotes hydrodynamic flow, cutting down on effort while bGeneric Swim Fins | Short Swim Fins - Diving Equipment, Snorkeling Set for Sport Pool Beach Vacation Men Women Kids Steady Support: Crafted to reduce unwanted sliding, these swim fins offer dependable support through their totally wrappGeneric Diving Fins - Training Fins for Adult - Short Training Flippers Portable Floating Supplies for Competition Outdoor Divin Long Service Life: Crafted with EVA material, these swim fins provide dependable support and maintain shape against defofohoa Mask Fin Snorkel Set with Adult Snorkeling Gear, 180° Panoramic View Diving Mask, Trek Fin, Dry Top Snorkel, for Swimmin 【Adult Mask Fins Snorkel Set】This 3-in-1 snorkel set includes a diving mask, dry top snorkel, and adjustable swim fins,fohoa Mask Fin Snorkel Set with Adult Snorkeling Gear, 180° Panoramic View Diving Mask, Trek Fin, Dry Top Snorkel, for Swimmin 【Adult Mask Fins Snorkel Set】This 3-in-1 snorkel set includes a diving mask, dry top snorkel, and adjustable swim fins,Sugaroom Snorkel Fins, Swim Fins with Adjustable Buckles, Open Heel, Travel Size Short Flippers for Snorkeling, Swimming and Scub 🏊 Easy Adjustable - Swim fins are designed with open heel. You can use the adjustable straps to easily adjust each fin32% Off Emsina EMSINA Short Fins |Buckles Open Heel Swim Flippers | Size 36-47 | Adjustable Snorkel fins | Snorkeling Diving Swimming A COMFORT & QUALITY. Designed in Australia, Serving as your #1 travel companion, these snorkel fins were designed to fit cCressi Cressi Palau Fins - Adult and Child Adjustable Diving, Apnea and Snorkelling Flippers Fins, Blue, UK 10/12 - EU Large/X- Palau opens the way for a new type of snorkeling and swimming fin. In actual fact, it has been designed for two specificCressi CRESSI BH155042 Free Diving Fin, Full Foot, GARA Turbo Impulse, Long, Soft Blade, 29° Inclined, Black, 42/43, 10.2 - 10. Size: 42/43 (26-27cm)Cressi Cressi Clio Unisex Diving Fins, Yellow Responsive blade delivers good power with any kicking style.SCUBAPRO SCUBAPRO GO Travel Scuba Diving Fin for Snorkeling and Swimming, Turquoise Fin with Black Bungee Open Heel Strap, M/L Lightweight Design: Increases convenience when traveling and comfort and ease of use in the waterAqualung Aqualung Storm MAX - Versatile and Resistant Adult Diving Fins with Elastic Straps - Monomaterial Design - Durability - Power transfer: The robust, compact blade of Storm Max flippers ensures efficient power transfer with every stroke, provGeneric Freediving Fins - Short & Lightweight Swim Fins | Snorkel Fins with Short Blade Wrapped Heel, Adult Men Training Sheet f [HIGH-END MATERIAL] Short swimming fins are made of high-quality materials with high flexibility, lightweight, sturdy, dCressi Cressi Palau Unisex Diving Fins Multi-sized fins, ideal for sharing among family and friends or for rental departments. Designed for snorkeling, scuba dCressi Cressi Agua Unisex Diving Fins, Blue The Agua is a very easy-to-use snorkeling fin that does not require special skills and at the same time gives excellentCressi Cressi Agua Unisex Diving Fins, yellow Cressi is a real diving, snorkeling and swimming Italian brand, since 1946.Generic Snorkel Fins | Ergonomic Stabilizing Diving Gear - Kids Short Swim Fins for Training | for Swimming Freediving Bodyboard Stable Aquatic Movement: Designed as full-foot short swim fins, these flippers enable smooth and steady propulsion suitaOVAQUIXI OVAQUIXI Short Smoother Edges Adjustable TPR Swimming Fins for Diving, Training Suitable for Adults, Black ST Size [ADJUSTABLE SHORT FINS] Versatile fins suitable for swimming, snorkeling, and diving, making them essential for adults aPOCHY Swim Fins | Light Full Foot Swim Fins,Open Snorkeling Fins for Traveling Diving Scuba for Swimming Training, Kid Adult S 【High Durability Silicone】 Fins snorkeling adults are made from high-quality, lightweight, and highly reactive SiliconeAtomic Aquatics ATOMIC Aquatics Full Foot Split Fins for Scuba Diving & Snorkeling | Durable High-Performance Swimming Fins with Split B High performance, streamlined fin for maximum power & speedGeneric Swimming Fins | Short Swim Fins,Snorkeling Set, Freediving Gear, Sport Equipment for Men Women Adult Pool Beach Vacation Stable Support: These swim fins provide excellent stability and secure foot alignment, proving perfect for snorkeling en17% Off Yakiter Yakiter Snorkeling Gear Set, Anti-Fog and Leak-Proof 180°Panoramic Diving Mask, Dry-Top Snorkel, Fins, Storage Bag, Snor 【Adult Mask Fins Snorkel Set】Adult snorkel set comes with adjustable fins, anti-fog leak-proof mask, dry top silicone snCressi CRESSI BH193044 GARA Turbo Flex Diving Fin Full Foot Short Blade Short Rib, Ultra Lightweight, 44/45 (27.5 - 28.5 cm) Size: 44/45 (27.5-28.5cm)Generic Flippers for Swimming - Reusable Snorkeling Fins,Professional Training Accessories, Portable Floating Supplies for Compe Stand Wear and Tear: Featuring EVA material known for resisting deformation, these swim fins deliver consistent elasticiMares Mares X-One Snorkeling Snorkeling Fins Lightweight Open Foot with Holes Channel Thrust Technology Ideal for Travel and T Excellent comfort: open, perforated foot section allows water to drain quickly and prevents the parachute effect, ideal11% Off HPLSZCN HPLSZCN Snorkeling fins, Swimming fins Travel Portable Model Suitable for Snorkeling, Diving Adults, Men and Women Swimm VERSATILE DESIGN: Unisex swimming fins suitable for both adults and children, featuring an open heel design for comfortaHPLSZCN HPLSZCN Snorkeling fins, Swimming fins Travel Portable Model Suitable for Snorkeling, Diving Adults, Men and Women Swimm VERSATILE DESIGN: Unisex swimming fins suitable for both adults and children, featuring an open heel design for comfortaGeneric Swim Fins | Adult Snorkeling Full Foot Pocket Fins,1 Pair Adjustable Diving Flippers Training Equipment for Beach Pool S Improved Speed and Comfort: Designed to minimize resistant, these snorkel fins optimize energy use and improve motion flQSTDGVPW QSTDGVPW Diving Fins for Adults in Water Sports and Snorkeling, Black Clear XL Reducing resistance drainage to improve swimming speed and correct your gesture.BUNIQ Swimming Fins - Training Short Swim Diving Fins,Soft Silicone Snorkeling Gear for Kids, Adults, Men, and Women Buniq ⋩Design: Our swimming fins feature design that ensures maximum comfort without strangling your feet while providing theJiawu A Pair of 4 Oz Swimming Fins, Blue Diving Fins, Short Snorkeling Fins, for Diving Fishing, Snorkel Fishing Tackle, Sea/F Streamline frame, concentrate water pressure, bringing greater stability.MOTRAIN Swimming Fins, Light Full Foot Swim Fins, Silicone, Blue, for Snorkeling, Diving, Scuba, Swimming Training, Adults, Kids 【High Durability Silicone】 Fins snorkeling adults are made from high-quality, lightweight, and highly reactive SiliconeGeneric Swimming Fins,Training Snorkeling Fins Flippers - Adjustable Soft Comfortable Lightweight Pool Accessories for Kids Surf Various Function: Delivers good support during water activities, ideal for both adults and children, perfect for swimminGeneric Swim Flippers – Compact Adult Snorkel Fins | Durable Flexible Short Blade Design, Quick Dry Anti-Slip Material, Ergonomi 【Flexible TPR】You can have fun swimming and snorkeling with Snorkel Fins. It is made of highly flexible TPR, a tough mat15% Off Emsina EMSINA E8 Freedom HD Mask Fin Snorkel Set with Adult Snorkeling Gear, Panoramic View Diving Mask, Trek Fin, Dry Top Snor 【EXTRA LARGE CLEAR CRYSTAL LENSES SNORKEL MASK】: Upgraded design which fit most face, these panoramic masks have been de30% Off XIULIUU XIULIUU Snorkeling Gear for Adults Men Women, 4 in 1 Snorkel Set with Diving Mask Anti-Fog Anti-Leak, Dry Top Snorkel, F 【Mask Fins Snorkel Set for Adults】4 In 1 snorkel set with adjustable fins,tempered glass lens mask, dry top silicone snoAKLOSIPY AKLOSIPY Lightweight Swimming Fins for Training | Short Snorkeling Diving Flippers with Non-Slip Comfort Design (Swimmin Enhanced Control - Our lightweight swimming fins are designed to effectively, helping to reduce drag significantly and mQKURT QKURT Snorkel Fins, Swimming Fins with Adjustable Buckles Open Heel, Diving Flippers for Men Women Youth Travel Size Sho Adjustable Design: The open-heel design each scuba fin can accommodate a wider range of sizes, so family member or frienGeneric Freediving Fins - Short Lightweight Swimming Fins | Short Blade Wrapped Heel Snorkel Fins Training Blade for Adult Men f [High-end Material] The short swimming fins are made of high-quality materials with high flexibility, lightweight, stronChurchill Churchill Makapuu Floating Fins | Comfortable Fit Fin Flippers | Patented Dolphin Tail Swimfins for Thrust and Performan DOLPHIN SWIMFINS DESIGN: An all original since 1936, the patented and trademarked Churchill Floating Swimfins have a uniChurchill Churchill Makapuu Floating Fins | Comfortable Fit Fin Flippers | Patented Dolphin Tail Swimfins for Thrust and Performan DOLPHIN SWIMFINS DESIGN: An all original since 1936, the patented and trademarked Churchill Floating Swimfins have a uniGeneric Short Swim Fins - Lightweight Short Swim Fins Compact Swimming Fins | Swimming Training Fins Professional Swimming and D [High-quality materials] Lightweight, strong, durable and not easy to break or deform. Short fins are made of high-qualiOxtxuzdm Swimming Fin Snorkels Fin For Snorkelling Diving Adults Men Women Adjustable Diving Swim Supply Swimming Fins Adjustable The adjustable buckles of snorkels fin offer more option for different foot sizeGeneric Flippers for Swimming - Training Fins | Short Portable Diving Flippers Floating Supplies for Competition Adult Men Women Long Time Service: Designed with highly elastic EVA, the swim fins make sure dependable support and resist deformation,Finis FINIS Edge Swim Fins for Men & Women - 100% Silicone Training Fins - Build Leg Strength & Endurance - Edge Swimming Fins for Men and Women: These FINIS swim fins are the perfect swimming accessory for improving your technique aSwimfit Swimfit Silicone Training Fins Black / Aqua X-Large (US10-12) Leading training fins used by professional swimmersAzuunye Azuunye Kids Swim Fins,Short Child Fins Youth Swimming Flippers for Lap Swimming Training for Children Girls Boys Beginn Kids flippers for swimming - Material of fins is soft,Can hop out easily and move around without tripping,Does not rub oDISPRA Underwater Swim Fin, Mermaid Swim Training Fins, Swimming Training Single Flipper for Diving Kids, Training Snorkeling D ◧Excellent Quality Materials: This monofin is composed of soft material that is reusable and durable. It conforms to youxiaaofea Mermaid Monofin Tail Swim Fin for Kids & Adults, Lightweight Flexible Flipper Fins for Swimming, Snorkeling, Diving & Wa 【Support】Our Swim Training Flippers offer stability for your feet. Made of safe-to-use TPR material, it prevents skin irPUCHEN Swim Fins for Kids - Training Flippers for Swimming | Professional Silicone Training Fins BreaststrokeFree Diving Swimmi §Ditch Water on Feet: With our exclusive Drainage Design, these Silicone Swim Fins for Kids come with unique opening desGeneric Freediving Fins - Swim Training Fins Swimming Fins, Scuba Fins, Swim Training Fins, Lightweight Snorkeling Swim Fins, Co 【Good Quality Material】Short swim flippers are strong and flexible, so you can enjoy swimming and snorkeling, using highChurchill Churchill Makapuu Floating Fins | Comfortable Fit Fin Flippers | Patented Dolphin Tail Swimfins for Thrust and Performan DOLPHIN SWIMFINS DESIGN: An all original since 1936, the patented and trademarked Churchill Floating Swimfins have a uniGeneric Swim Training Fins - Travel Size Flippers - Freediving Gear, Sport Snorkeling Set for Men Women Kids Pool Beach Vacation Boost Stability: Designed with a totally wrapped structure, these swim fins reduce water sliding and deliver stable suppGeneric Generic Silicone Swimming Fins Swimming Fins Snorkeling Equipment Snorkeling Supplies Diving Fins for Kids Beginner , XS 【Wears Comfortably】: Great amount of flexibility and antislip soles provide comfort around the foot. Great gifts for swiGeneric Swimming Fin,Comfortable Swim Fin - Compact Diving Fins, Ergonomic Comfortable Swim Fin, Short Flippers Swimming Trainin Revmp Your Swim Workout: The more chllenging it gets, the stronger you become. Our diving fins re perfect for hert rte tFadgesy Fadgesy Swimming Training Fins,Comfortable Silicone Flippers for Swimming and Diving,Size Suitable Kids Girls Boys Adult 【High Quality Silicone,environmental protection materials】Fadgesy swimming flippers made using high quality soft siliconＳｉｍｈｏａ 2X Spare Replacement Scuba Diving Diver Swim Fin Strap Buckles Universal fits most finsGeneric Swimming Fin | Diving Monofin Training Fins | Floating Flippers Snorkeling Diving Tool for Kids, ⊀ [ Superior Material ] Swimming One-piece Fin is bringing you a perfect experience, very durable, strong, hard-wearingCORHAD CORHAD Children Adjustable Swimming Flippers Soft Comfortable Diving Fins Snorkeling Gear Easy to Wear Short Training Fi Swimming Training Made Easy Webbed feet from Kids Adjustable Flippers Fins Swimming Diving Learning Tools (Green) help yKisangel Kisangel Kids Adjustable Swimming Fins for Training and Diving Soft Comfortable Flippers with Adjustable Strap for Snork Enhanced Propulsion for Kids: Kisangel kids adjustable flippers are specifically designed to boost swimming speed and agGeneric Scuba Fin Holder, Diving Fins Gripper Diving Equipment, Elastic Fin Keepers Gripper, Foot Flippers Keepers for Freedivin ♨Improved Stability: Our scuba fin holder provides a secure fit and unparalleled comfort. Made with high-quality siliconBUNIQ Mermaid Swim Fin for Kids Adults, Adjustable Mermaid Design Swim Diving Monofin Flipper Fins, Flipper Diving Fins Swimmi ❤【Swimming Skills Training】 Our water swimming monofins are a great swim tool for any water enthusiast. They help you baOshhni Oshhni Silicone Swim Fins Swimming Flippers Snorkel Equipment Snorkeling Supplies Snorkeling Fins Diving Fins for Kids B 【Comfort】: These swimming fins are comfortable, soft and flexible, ensuring a great fit.YYSS Mermaid Swim Fin for Kids Adults, Adjustable Mermaid Design Swim Diving Monofin Flipper Fins,-Piece Flipper Diving Fins ❥【Comfortable Rubber Structure】: Straps and foot pockets are made of materials to allow you to wear this swim fin comfor