Under Scrub Men's Long Sleeve Under Scrub Top Comfort: 100% Polyester, 4 way stretch jersey knit fabric with flatlock stitching & tagless construction. Dual layer knitting gives our products an extremely soft and comfortable feel against your skin and are chafe resistant Confident: Permanently guards against the degradation from micro-organisms Clean: Super moisture wicking, breathable and quick drying properties. This enhances the natural cooling system in your body, keeping you dry and comfortable. UV protection, UPF factor of 50+ Longer body length to help stay tucked in