BIO-FIN PRO XT (Rubber Strap) and BIO-FIN PRO XT C-Series (Spring Strap)
- Comes in GRAY only
- 20° angled blade for a fin shape that works with the natural resting angles of ankle and knee - very low strain
- 100% rubber material for optimum weight and flexibility
- Up to 40% reduction in muscle fatigue, energy use, and air consumption; longest recorded bottom times during testing
- Increasing durometer to 75 rather than changing base material creates a stiffer blade that retains a high degree of the comfort and performance found in the original bio-fin pro
- 30% stiffer blade
- Increased control and added leverage for technical divers
- Works as well or better than paddle fins with any kicking style
- Foot pocket is open at the toe for added comfort
- Easy quick release system with finger loop for easy access
