Product Details     Material Weight Fit Synthetic: Soft, easy to care for, and durable. Mid-weight: For coldest temps, or people who get cold easily. Relaxed: Also known as "regular," these garments fit just right, not too baggy or not too slim. Style: 43662 The Patagonia Capilene Thermal Weight 1/4-Zip Baselayer will keep you warm in cold conditions. It is made with Polartec® Power Grid® fabric with a smooth face and an open-grid pattern that provides superior warmth and moisture-wicking performance. The offset shoulders, full underarm gussets, and flatlock seams eliminate chafing and provide excellent mobility and comfort during any winter activity. KEY FEATURES Polartec® Power Grid® fabric with HeiQ® Pure odor provides all-day comfort 1/4-Zip for easy layering and temperature control Elastic thumb loops for secure hand coverageSPECSMaterial: SyntheticWeight: Mid-weightNeckline: 1/2-ZipFit: RelaxedFEATURESBreathableMoisture-wickingThumbhole CuffsChafe-Free SeamsStretch Fabricbluesign Approved Fabric Patagonia Capilene Thermal Weight 1/4-Zip Baselayer Top(Women's)