S, M, L, XL - Men's long-sleeve denim shirt. Made of 6.5 oz 100% cotton denim. Flat-felled seams, khaki double-needle topstitching, left-chest pocket and signature twill tape at neck, fully constructed front placket with button-down collar. Signature horn-style buttons with Harriton logo and contrast thread. A clever blend of comfort and style, this denim button down is great for any occasion.