A breathable, lofted baselayer to keep you warm in cold conditions. Polartec® Power Grid® fabric with HeiQ® Pure odor control. Fair Trade Certified™ sewn. Features Polartec® Power Grid® FabricPolartec® Power Grid® fabric with HeiQ® Pure odor control has a smooth face for easy layering Soft, Supple FabricStretch and ease of movement Gusseted CrotchGusseted crotch for comfort and unimpeded mobility Flatlock Seam ConstructionFlatlock seams to minimize chafing; Fair Trade Certified™ sewn Warm, Comfortable FabricFabric’s open-grid pattern next to skin provides superior warmth, breathability and moisture-wicking performance Cleanly Designed WaistbandElastic waistband is brushed for next-to-skin softness Functional flyFunctional fly Country of OriginMade in Nicaragua. Weight133 g (4.7 oz) PATAGONIA Men’s Capilene Thermal Weight Bottoms