Stay warm and cozy during cold-weather activities with the Columbia Women's Omni-Heat Base Layer Set. This set includes a long-sleeve top and leggings, both made with Columbia's Omni-Heat thermal reflective technology. The fabric reflects and retains your body heat, keeping you warm without adding bulk. The moisture-wicking fabric keeps you dry and comfortable, while the four-way stretch construction allows for a full range of motion. The flatlock seams prevent chafing and irritation, while the antimicrobial treatment helps keep odors at bay. Whether you're skiing, snowboarding, or hiking in the winter, this base layer set will keep you comfortable and protected.