Advanced competition fins specially designed to be used on running shoes in long distance run - swim -run competitions to minimize changing time between running and swimming.
The rubber foot pocket is a modified "Leaderfins Waves foot pocket".
The largest size 49-50 fits on up to size 42 of slim competition shoes. If bigger size or using off-road shoes with coarse soles, the foot pocket have to be enlarged by cutting the upper side and glue velcro or rubber to fit your size.
Hand laminated soft fiberglass blades.
The blade is angled 22° in front of feet to increase the efficiency of significantly.
When swimming in shoes this angle is necessary to compensate the negative angle caused by the shoes.
Length and width of blade: 61 x 20 cm.
Total length of fin (including heel strap) ≈ 76 cm.
Total weight of one pair ≈ 1,9 kg