Colorado State Rams Short Sleeve Performance Tee. This is the essential Under Armour training tee with a carbon fiber team color pattern. The Colorado State logo is displayed boldly on the front. The lightweight 100% polyester fabric is soft and ultra-comfortable, perfect for all Rams fans as it is a loose fit garment. The Raglan sleeves and flatlock seaming is designed for comfort and mobility making this the perfect shirt. With Heatgear Technology that Keeps You Cool When It's Hot, this will quickly become your favorite Rams workout or tailgating tee! Officially licensed Colorado State Rams fan gear.