S223 - M Twill SS Work Shirt Carhartt's short-sleeve twill work shirt is designed to be tough. Made of 5.5-ounce, 65% polyester/35% cotton twill, it features wrinkle-resistant fabric with stain-repel-and-release finish, a spread collar, two chest pockets with mitered flaps and button closures, a square bottom and dyed-to-match buttons. *5.5-ounce, 65% polyester/35% cotton twill *Wrinkle-resistant fabric with stain-repel-and-release finish *Square bottom tucks in comfortably