Our leggings all have a super-elastic high-waist, guaranteed to stay in place. They are made of 80% Polyester and 20% Elastane (Spandex) with a precision double-stitched seam and flat-locked inside seam for extra comfort. This super soft, durable materials gives them moisture wicking properties. They have been well tested by myself and 100% squat-proof! The zip pocket on the rear will securely hold most smartphones – even larger iPhones. You can order leggings in a standard full length or three-quarter length capri. Please see our FAQ (frequently asked questions) section for sizing information.