TYR(R) Sport, Training Equipment, Burner EBP - Floating Short Blade Swim Fin; Size: Large, Fit: (9-11) Men's Shoe/(10.5-12.5) Women's Shoe, Color: Red, Design: to mimic race-day cadence while building lean muscle, Features: Burner, Elevated Body Position (EBP) Fin & Wall Gripper Footpad