Betsey Johnson Women's Rib and Flannel Boxer Short Set Top: 61% Polyester, 35% Rayon, 4% Spandex; Boxer: 55% Cotton, 45% Rayon Imported Machine Wash Cozy flannel shorts are paired with soft and stretchy rib-knit henley top Flannel boxer short is finished with elastic waistband with bow detail, and lace trimmed edges Signature Betsey Johnson heart buttons on henley top