Bio-Fin Pro With Spring Strap
Split Fin
Natural Rubber
Strap: Spring with Rubber Heel Protector
Manufactured in Japan
Features
Split Fin, Open Heel
Strap Type: Spring
Rubber Heel Protector on spring
Natural rubber blade and foot pocket
Blade at 20º angle reduces strain on joints
Easy finning for all levels of fitness
Effortless power without muscle cramping
Increased maximum speed, reduced fatigue
Up to 40% reduced muscle fatigue, energy output and air consumption; longest recorded bottom times in testing
Open toe foot pocket for added comfort
Manufactured in Japan
SIZE CHART Actual fit may vary. Recommendation based on use of 5 mm boot with average sole. If you are in between sizes and have a wider foot or thicker soled boot we recommend selecting the larger size. If you have a narrow foot or thinner boot we recommend selecting the smaller size. Weight per pair, varies slightly with color and strap.
Fin Size | Mens | Womens | Dimensions | Weight |
---|---|---|---|---|
XS | 6-7 | 5-7 | 504x210mm | 2180g |
S | 7-8 | 7-8 | 536x222mm | 2480g |
M | 8-9 | 9-10 | 560x234mm | 2930g |
L | 9-11 | 10-11 | 560x234mm | 3080g |
XL | 12-14 | 12+ | 560x234mm | 3130g |