Life by Jockey 3-Pack Men's Premium Cotton Fashion Crew T-Shirts - Assorted Colors 100% Cotton Cotton comfort that lasts. 100% cotton (grey heather: 90% cotton / 10% polyester). Extra length and full-motion sleeves help your shirt stay tucked. Stay flat collar is reinforced for a smart look that lasts all day. Exact colors and/or assortment may vary from image.