The women's Patagonia Capilene Thermal Weight Zip-Neck Top is your go-to baselayer for outdoor winter activities. The Polartec Power Grid fabric is not only smooth for easy layering but also has HeiQ Mint odor control. The deep front zipper is perfect for venting body heat during strenuous activities, while the lofted back ensures added warmth. Enjoy maximum comfort with its low-bulk construction and internal neck tape. The raglan sleeves and full underarm gussets offer mobility, and the thumb loops keep your hands covered. Plus, it's made in a Fair Trade Certified factory using sustainably sourced materials.