The evolution of one of Merrell's most successful winter boot franchises ever. The waterproof construction and and Vibram Arctic Grip underfoot with keep you dry and deliver traction in any conditions mother nature can throw at you. With 200 grams of insulation and a fleece lining your feet will stay warm when the temperatures dip. Now available at Alamo Shoes in Chicago. Merrell Women's Coldpack 3 Thermo Mid Zip Waterproof Boot w/ Arctic Grip - Black