Rubber Swim Training Fins Flippers for Men, Women and Kids, Short Training Fins for SwimmingCategory: Zoomers Swim FinsFeatures:【 Premium Quality Material 】 100% pure imported silica gel production,compared with the traditional rubber material is more soft and not easy to old. wearing more comfortable fit and the service life is much higher than ordinary rubber material of the fins.【 Perfect Desgning for Diving 】 Triangle anti-skid convex wales design, effectively prevent slippage underwater. It can drain water effectively, reduce flow resistance, which can improve the speed of swimming greatly and make swimming more labor-saving.【 Features of Our Swimming Flippers 】 The training of the freestyle, butterfly, backstroke, improve ankle flexibility, improve the kick to improve leg strength.【 XXS to XXL Size to Choose 】 XXS Size:27-29=US 1; XS:Size 30-32=US 1-2 ; S:Size 33-35= US 2-4; M:Size 36-38=US 4-6; L:Size 39-41 =US 6-8; XL:Size 42-44 =US 8-10 ; XXL:Size 44-46=US 10-12.Swimming Fins Size/LengthSwimming with fins propels you through the water faster and your legs work harder than they would without fins to maintain the speed. You are able to maintain that quicker pace wearing swim fins, but without fins you would quickly become fatigued. Using swim fins will ultimately make your leg muscles stronger to enable you to swim faster.XXS Size:27-29=US 1 ; swimming fins length:26CMXS:Size 30-32=US 1-2; swimming fins:27CMS:Size 33-35= US 2-4; swimming fins: 29CMM:Size 36-38=US 4-6; swimming fins: 30CML:Size 39-41 =US 6-8; swimming fins: 32.5CMXL:Size 42-44 =US 8-10 ;swimming fins: 34CMXXL:Size 44-46=US 10-12; swimming fins: 35.5CMFlexible foot pocket and closed ankle provides extra support ,shorter blade improves kicking mechanics and efficiency .Greatly improve your swimming velocity moment, even if you don't also can let you experience the flying fish.Improves body position in the water. Helps maintain a quicker swim pace.Developed as a short fin design for greater resistance and propulsion .Helps improve leg strength and foot flexibility.The short blade is made from highly reactive and light materials to ensure agile and not very tiring.100% pure imported silica gel production, compared with the traditional rubber material is more soft and not easy to old.Made from top quality silicone rubber for comfort and added durability .Wearing more comfortable fit and the service life is much higher than ordinary rubber material of the fins.