http://www.v-dive.com.tw/product/v-dive-f776/ The new V.DIVE F776 v.style rubber fin is ideal for scuba diving and snorkeling. Made of 100% full rubber, its stiffness is 76 (size:S )design and meet the toughest of professional divers. Designed with fashionable dual-color mismatch, the light fin provides the best propulsion. The special ergonomic strap design makes it easy for donning, and can be quickly detached. Hydrodynamics deflector holes are designed to enhance propulsion.