The closed foot pockets use two different stiffness compounds of Thermo Rubber injection into one. It comes comfortable heel and hard middle bridge. All the fin blades are produced in a suitable polypropylene and molded into the foot pocket. The result is trying to optimize the power of the push through the water relative to effort.
Sizes are available in 40-41 (6-7) 42-43 (8-9) 44-45 (10-11) 46-47 (12-13). Colors combination in assorted as per your option.