Stay cool and covered in a breathable, sun-blocking tee with tons of stretch for ease of movement. Designed to perform like activewear with an ultra-comfy look and feel for every day, this is one incredible tee for every adventure. Slightly Fitted: Relaxed through the chest and sleeve, with a slightly slimmer waist. 76% Polyester, 19% lyocell, 5% elastane. Provides moisture-wicking, quick-dry performance with stretch for every move. UPF 50+ fabric blocks at least 97.5% of the sun&';s UV rays -- 10x more than a white cotton tee. Flat lock seams eliminate chafing. Set-on sleeves for ease of motion.