Tilos Glide Open Heel Snorkeling FinsThese fins are extraordinarily lighter than standard fins on the market.Universal Fin Clip fits onto a wide variety of fin buckles. Quick Release Buckles allow the fin straps to be adjusted and taken off easily. Drag Reducing Fin Vent designed to maximize thrust and minimize fatigue while kicking. The soft, pre-arched TPR material built within the fin?s blade scoops water throughout the kick, producing maximum thrust and reduces fatigue.FEATURESDrag reducing vented open heel snorkeling finLightweight, flexible and durable fin bladeQuick-release buckle / adjustable strapPackaged in mesh fin backpack