Sizing Small (28-30), Medium (31-33), Large (34-36), XL (37-39). Due to the nature of this cut and sew by hand product, there may be small variations between garments. Materials (Boxer Brief) 93% Micromodal® 7% Spandex   Materials (Tech Varsity Slim Fit Boxer) 41% Nylon 50% Polyester 9% Spandex   Materials (Slim Fit Boxer) 95% Cotton 5% Spandex   Materials (Lounge Short) Nylon Outer Micromodal® lining