Bio Fin Pro XT w/ Spring
Closeout, Current Stock Only, All Sales Final
Charcoal Gray with stainless steel spring strap
High Hardness (shore75A)
Compound is more rigid for a stiffer feel
Closeout, Current Stock Only, All Sales Final
Charcoal Gray with stainless steel spring strap
High Hardness (shore75A)
Compound is more rigid for a stiffer feel
Closeout, Current Stock Only, All Sales Final
Charcoal Gray with stainless steel spring strap
High Hardness (shore75A)
Compound is more rigid for a stiffer feel
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 |
|---|---|---|---|---|
| M | 8-9 | 9-10 | 560x234mm | 2930g |
| L | 9-11 | 10-11 | 560x234mm | 3080g |
| XL | 12-14 | 12+ | 560x234mm | 3130g |
Features
Using a compound that is up about 15% higher hardness compared with original Bio Fin Pro improves the kick feeling and instantaneous force against the foot . Propulsive efficiency for the overall input power will fall slightly from bio-fin pro but the difference is very slight.
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 for additional comfort
Manufactured In Japan