Columbia Sportswear Mens Silver Ridge Plaid Long Sleeve Shirt 54% nylon/46% tactel nylon Imported Designed to keep you dry, protected and comfortable during long active days in the sun, this Columbia classic features quick-wicking material, strategic venting, classic plaid prints and built-in UPF 40 blocking power Pockets with hook and loop closure Roll-up sleeve Sun protection cuff FABRIC: 62% polyester/38% suppex nylon Silver Ridge plain weave