This Gildan men's navy tall t - shirt is great for team outfitting, sports events, or casual daily wear. It's designed for athletes and larger men who need a proper fit. The t - shirt is made of 6 - ounce 100% US cotton. Different color options have specific cotton - poly blends, like Sport Grey is 90/10 cotton/poly and Safety Green is 50/50 cotton/poly. The Safety Green color also meets high - visibility standards.