These Chooka winter boots for women are designed in solid black with a pull-on closure. They feature a waterproof shell outsole, water repellent upper, and are rated for -20 degrees cold. The boots have a memory foam insole for comfort and a 100% polyester lining. The upper material is a blend of nylon and polyurethane, and the outsole is made of 100% TPR. Ideal for winter, these boots are both stylish and functional.