TYR(R) Sport, Training Equipment, Burner EBP - Floating Short Blade Swim Fin; Size: XL, Fit: (11-13) Men's Shoe/(12.5-14.5) Women's Shoe, Color: Blue, Design: to mimic race-day cadence while building lean muscle, Features: Burner, Elevated Body Position (EBP) Fin & Wall Gripper Footpad