The Women's Nikiski Winter Boots from Columbia offer heavy-weight warmth and protection, without the bulk. These lightweight boots feature 200g insulation, a waterproof breathable membrane construction and are rated to handle temperatures down to -25°F/-32°C in comfort thanks to the fleece lining. The TECHLITE lightweight midsole keeps you on your feet longer and the Omni-GRIP non-marking traction rubber outsole provides excellent grip on wet and icy surfaces.