The AZZPAD Tailbone Protector, Medium(26-32in) A flexible plastic shell that spreads the impact force to a wider area A curved shape that conforms to your buttocks. A fully adjustable waist strap & elasticized Velcro leg bands.No need to remove your pants to put on or take it off "Tri-Foam Cushion", which is 3 layers of graduated lightweight foam protection The size Medium can also be used for younger riders