You asked, we delivered: a custom BIR long-sleeve t-shirt. Perfect for lounging or a crisp morning training run, this shirt features seamless double-needle 7/8 in. collar, double-needle sleeves, and team logo. Cotton shirts are 100% 6.1 ounce fabric. Most colors are 50/50 cotton/poly. Ash is 99/1 cotton/poly. Grab one today!