New Nike Breathe Run Short Sleeve T-Shirt, men’s size: XL. Color: Atmosphere Grey. The short-sleeve silhouette of this running T-shirt is designed to deliver breathable coverage w/ sweat-wicking fabric to keep you cool when your route heats up. Nike Breathe fabric helps you stay dry and cool. Set-in sleeves allow a full range of motion. Crew-neck design offers an nonrestrictive fit. Reflective Swoosh trademark is heat transferred on the left chest. Dri-FIT® 100% polyester.