West Biking 3D Padded Hip Protective Shorts Butt Impact Protection Pad for Ski Skate Snowboard Skating Skiing Hockey Riding Roller Derby Adult Kids Waist: S(24-25),M(26-27), L(28-29), XL(30-31), XXL(32-33), XXXL(34-35). Size run small, order 2-size larger than your normal size. Protects the vulnerable hip, thigh and tailbone with ample padding. 1.5cm thick EVA protective padding.Cotton lining, makes you feel comfortable. Breathable and never sticks to your skin.Washable, can be washed by hand.