The Men's Champion Heather Gray CO Rockies Tri-Blend Dual-Stripe Long Sleeve T-Shirt is a must-have for any true CO Rockies fan. With its distressed screen print graphics and slight droptail, this shirt is perfect for showing your support for the team. The tri-blend of polyester, cotton, and rayon makes it comfortable to wear all day long, whether you're at the game or cheering from home.