Ally Floating Swim Fins are the perfect combination of comfort and power providing the ultimate solution for your swim fin needs.Details:• Made of the finest quality natural rubber designed for bodyboarding and bodysurfing• Its soft foot pocket with stiff blade offers increased acceleration and super fast take offs making it easier to catch waves.• A bat tail like blade with two rods for maximum thrust and power.• Traction bottom with breather hold at the bottom of the foot pocket for proper drainage which allows sand and broken shells to circulate out.• Curved Ankle strap decreasing irritation and chance of ulcers on the ankle ball. Improves comfort.• Did we mention they FLOAT?Size Chart:Small 5-6.5Medium/Large 9-10.5Here are some quotes from top riders about Ally Swim Fins8220;By far the most thrust and comfort, Ally8217;s are the one!8221; 8211; Andre Botha 2 X World Champion, 2 X Pipe Champion8220;After using several different types of fins in the shorebreak, I have concluded that Ally is the ultimate swim fin for me.8221; 8211; Clark Little, Water Photographer8220;After trying every fin on the market, I have finally found the magic fins.8221; 8211; Rusty Friesen