Oceanic Manta Ray Open Heel Fins with Spring Straps Size:S Embossed back knee flex panels

Embossed back knee flex panels to reduce bulk behind the knee when kicking and crouching

A menu system that adapts to diving status

Internal Foot Pocket Rails Transfer Energy from Foot to Fin for More Efficient Strokes

Standard orange or 'Emergency' Yellow colours available

Hollis Gear Power Inflator Mechanism is made from durable impact-resistant plastic with internal components and inlet quick-disconnect nipple made from chrome-plated brass

Oceanic Manta Ray Open Heel Fins with Spring Straps Size:S Embossed back knee flex panelsThis products Overview The Oceanic Manta Ray Open Heel Fins, inspired by nature, three advanced materials simulate the shape & mechanics of marine animals. Fin blades are made from techno polymer advanced material that provides the strength of bone to maximize power, speed & efficiency, while being extremely lightweight & durable. Oceanic's Power X System is a revolutionary material that acts as tendon & joint, optimizing propulsion by flexing during