100% Polyester 1/150/136. Classic fit with side seam. Moisture wicking and antimicrobial properties. Seamed single needle 3/4" collar. Tearaway label. Twin needle sleeve and bottom hems; companion style 46000L(GD175). Washing Instructions Wash at 40 degrees. Tumble dry high heat setting. Only oxygen bleach/non-chlorine bleach allowed. Do not iron. Do not dry-clean or remove stains with solvents.