The magic of Capilene is its ability to wick moisture and dry fast. With a smooth outer surface, the double-knit fabric slides under your top layers. A brushed-grid pattern on the back holds warmth near your skin. Not too heavy, not too light, these midweight bottoms take you from alpine snowfields to early-season campsites. Made of thermal diamond grid recycled polyester double-knit fabric. HeiQ Fresh durable odour treatment fights stink. Brushed elastic waistband is soft next to skin. Gusseted crotch with functional fly adds comfort and mobility. Flatlock seams minimize chafing. Slim fit to slide easily under other layers.