Offering this Colorado State Rams Under Armour Small HeatGear Long Sleeve Men's Shirt. Fabric is 100% polyester. No noted defects or stains. Measurements: Shoulder (seam to seam) - 15.5 in Chest (pit to pit) - 19.5 in Length (top of collar to bottom) - 29 in Sleeve (shoulder seam to end of cuff) - 25.5 in Please compare these measurements to something you own to ensure proper fit. I'm happy to answer any questions you have about this item.