The set includes a coated stainless steel wire

The sock should sit snugly on the toes and forefoot so it stays in place when entering the foot pocket

Dimensions

Enhanced storage capacity with front pocket for small gear

especially in the pool

Double K - System One Diving Backpack Bi-Fins The set includes a coatedDouble K System One Diving Backpack PRE ORDER NOW! (delivery ~ end. August) The Double K System One Diving Backpack is a large, stylish freediving gear backpack for divers who want to carry fins, wetsuits, masks, snorkels and accessories in one clean setup. This is not a small daypack and not a basic mesh bag. The System One is designed as a high capacity diving backpack with enough space for serious freediving equipment including up to two full sets