The Tundra Performance Tee features an ultra-soft touch single jersey fabric made with environmentally sustainable 87% Recycled Polyester. Articulated action shoulders allow you to move freely without binding at the shoulder. H2X-DRYmoisture management technology draws moisture away from the skin, helping you to maintain optimal body comfort. Self-fabric collar for maximum comfort. Product Features: Pure Earth by STORMTECH, Stormtech H2X-DRY Moisture Wicking Fabric, UPF Rating 50+, Articulated Action Shoulders, Self-Fabric Scoop Neck, Contoured Seaming, Dropped Back with Hem Side Slits, Fabric:, 87% Recycled Polyester/13% Spandex Single Jersey, 5.43 oz/yd2 (USA) / 184gsm (CDN). Colours: Black, Graphite, Navy Sizes: 2XL,3XL,L,M,S,XL,XS