HYDRODYNAMIC DESIGN: Promotes a streamlined body position in the water from fingertips to toes USE SUBMERGED JUST BELOW THE WATERLINE: Creates an ideal body position so the swimmer is flat in the water SMALLER EFFICIENT SHAPE: Reduces shoulder stress while training VERSATILE TRAINING USES: Great for standard kicking, one arm drills and side kicking in all four competitive strokes. STABILIZING STRAP: Allows control of the board without gripping, and places hands and arms in a proper streamlined position