Women’s AirLoc Base Layer Top

Engineered to solve lightweight cold-weather layering, our AirLoc Base Layer Top combines space-program Aerogel technology with body-mapped quilting to deliver warmth exactly where you need it. Strategic single-layer jersey panels combine with underarm Reach Gussets® and articulated elbows for uncompromised freedom of movement. It’s super soft, stretchy and wicks moisture fast so you can keep moving without the bulk.