Everything you want in a sleeveless running top. This singlet has sun protection a quick-drying stretch fabric and an odor-resistant finish so you can enjoy summer miles. Stay cool and comfortable with the Brooks Men's Atmosphere Singlet 3.0. Designed with highly breathable GO2 Fabric this singlet wicks away sweat to keep you dry and cool during intense workouts. Featuring 40+ UPF sun protection it helps shield your skin from harmful UV rays while the odor-resistant material keeps you feeling and smelling fresh on and off the racecourse