your quiver-of-one base layer. quick-drying, stink-free warmth for any day. featuresslim fit sits close to the body, with room for the garment to move with you midweight 200 living lining® provides consistent temperature regulation without adding bulk or weight four-way stretch fabrication for enhanced mobility quick drying and highly breathable bluesign® approved non-biocidal finishes keep odors at bay chafe-free softlock seams for added comfort bluesign® approved materials use only safe chemicals and reduce impact on both humans and the planet during manufacturing