NEOBLU MADDEN, UNISEX FASHIONABLE OVERSHIRT, 66% polyester - 34% viscose, Preferably wash inside out, Overshirt with opening through tone-on-tone press studs, Comfortable fit, 2 chest patch pockets, Cuffs with slit and press stud. About Sizes Matching, Please Refer To The Size Chart In The Product Documentation Section.