NBA Chicago Bulls Men's Sign Up Retro Tri-Blend Short Sleeve Tee, Vintage Black, XX-Large Tri-Blen 50% Poly 37.5% Cotton 12.5% Rayon Imported Screen printed graphics on the Adidas Go To Tee Offically licensed by the NBA, Adidas is the official outfitter of the NBA Machine wash cold with like colors, remove promptly after wash, Use only non-chlorine bleach when needed, tumble dry on low