Features of the Eddie Bauer Men's Upf Guide Long Sleeve Shirt FreeDry moisture wicking FreeCool Pro collar lining FreeShade UPF 50+ sun protection Two secure zip chest pockets, one with inner mesh pocket Rear mesh-lined shoulder vents Button-tab roll-up sleeves with asymmetric sun cuffs Tool loop Rolled-off shoulder seams for comfort with pack/wader straps Fabric Details 68% Polyester, 32% Nylon