Crew Retro 8 oz., 50% cotton, 50% polyester Heather Sport colors: 60% polyester, 40% cotton Safety Orange is compliant with ANSI - ISEA 107 High Visibility Standards 1x1 ribbed collar, cuffs and waistband with spandex Double-needle stitching throughout Pill-resistant air jet yarn Set-in sleeves Tear-away label