UPF 30+ protects your skin from the sun's harmful rays. UA Storm technology repels water without sacrificing breathability. Stretch-woven fabric is light but tough. Material wicks sweat & dries really fast. Salt- & chlorine-resistant materials help prevent fading & wear in the water. Stain-resistant finish keeps blood, guts & dirt from soaking in. Articulated knees for a better fit & increased mobility. Tapered leg fit