Snorkel Fins, Swim Fins Travel Size Adjustable for Snorkeling Diving Adult Men Women Kids Open Heel Swimming Flippers~Support Various Way to Put Onwater socks, water shoes are all available to wear with fins.Even with bare foot,it will never cause a bliatered heel as the pocket and strap are all made of super soft and comfortable silicone material.~Sturdy Flexible SoleThe entire sole is hard and comes with large non-slip inserts, both for total protection of the foot and for excellent transmission of the leg-fin effort.~Humanize Blade DesignThe design of blade is base on thousands of data and test, all these are help diver swim in the water by using minimal effort but realize maximum efficiency.~Adjustable OpenThe open-heel design means each fin can accommodate a wider range of sizes so family members or friends can share equipment more easily.