Fabric: 95%Polyester+5%Spandex | Cropped length(9/10) pencil pants, Back waist is elastic | With belt-fitted loops, matched belt is removable, With open side-entry pockets | Leg opening with tie, make a bow-knot or tie the bottom freely. | Every brand's size information is different.So please must refer to Our Size Chart not Amazon size chart. Thank you very much