Nike Men's Dri-Fit SB Skyline 3/4 Sleeve Energy Skateboarding Shirt-Cyan-Medium Dri-FIT fabric helps keep you dry and comfortable 3/4 raglan sleeves create natural comfort and a classic athletic look Reinforced seam taping at high-wear areas provides durability and a clean look Strategically placed panels offer more range of motion Front/sleeves: Dri-FIT 71% recycled polyester/12% certified organically grown cotton/11% rayon/6% spandex. Back/underarm sleeve panels: 60% cotton/40% polyester.