Sheath underwear has a special two pouch compartment that keeps your twig and berries from sticking your iner thigh. The idea for she came from its founder, s army soldier, robert pattent during a second tour in irac. Sheath underwear is made from a super comfortable blend of modalance pandex. It stretches as you move. No bulging, pinching, or in sheth under where cradles you jrunk like a mamma gorilla holding her precious new born baby.