Patagonia's classic, go-anywhere all-around baselayer, made with 100% recycled content. The smooth, soft face makes for easy layering; hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. PRODUCT FEATURES:*Stretch for added comfort and improved fit during movement*5.1-oz (147-g) 100% recycled polyester diamond-grid double knit with HeiQ Fresh durable odor control. Fabric is certified as bluesign approved. Fair Trade Certified sewn *The smooth, soft face makes for easy layering and HeiQ® Fresh durable odor control keeps things fresh *Soft, brushed, fast-drying elastic waistband for added next-to-skin comfort. Locker loop for hang-drying *Fabric's diamond-grid pattern next to skin provides superior warmth, breathability and moisture-wicking performance *Gusseted crotch for comfort and unimpeded mobility *Functional fly and flatlock seams to minimize chafing Patagonia Men's Capilene Midweight Bottoms44487