Gildan Heavy t-shirts are made from 100% cotton*, and are a 185gsm weight (175gsm weight for the white tees).
Size Chest (to fit):
S - 34/36" // M - 38/40" // L - 42/44" // XL - 46/48" // XXL - 50/52"
Size Chest (to fit):
S - 34/36" // M - 38/40" // L - 42/44" // XL - 46/48" // XXL - 50/52"