The Split Mobility Wedge is a beneficial tool to improve ankle range of motion and overall ankle mobility.  Two adjustable angles give you the lift and support you need. It's perfect for improving big-toe mobility, stretching calf muscles, improving squat depth, and adding support under challenging positions like push-ups. Don't forget to check out the Barefoot Training Starter Pack above which includes three great products to help you transition into barefoot training. Measurements:  9.25"L x 6"W x 2"H Angle: Single wedge 10°, Stacked wedges 20° Materials: High-quality EVA foam that allows up to 450 lbs of weight. Care Instructions:  Spot clean with mild detergent. Towel or air dry.