The Reef Fanning Flip Flops in Grey Volt is the namesake sandal of the legendary Mick Fanning and so is packed with amazing features. There is anatomic contouring, water friendly synthetic strap upper and a compression molded high rebound EVA footbed with built-in airbag underfoot for added comfort plus many more great features!Product Information:• Product Code: CI4010-GYVT• Upper has a water friendly synthetic strap with a soft padded jersey lining.• Compression molded high rebound EVA footbed.• Built-in airbag under foot for added comfort.• Non-marking rubber outsole.• Bottle opener built into outsole.• Anatomic contouring.