Heat doesn't stand a chance against our ulta-lightweight Hydralite Short Sleeve, featuring a grid construction for superior moisture management and breath ability. OVERVIEW ? Relaxed fit is long enough to keep you covered ? Flat princess seams create a chafe-free silhouette SPECS ? Designed For: Running ? Layer: Base ? Temperature Range: 50F+ ? Fit: Relaxed ? Hits at: Below hip ? Number of Pockets: 0 ? Waterproof: No ? Water Resistant: No ? Windproof: No ? Care Instructions: Machine washable, hang to dry ? Fabric Breakdown: Hydralite Reneu (50% Recycled Polyester, 50% Polyester)