Merrell Alpine Puffer Waterproof Winter Boots. This waterproof boot takes inspiration from the vibrant, multicolored puffer jackets for a look as retro as it is original. A simple alternative closure and side zipper eases the fit, and its 200g interior insulation give it a temperature rating of up to -25°F. Its non-marking outsole with M Select® grip provides traction on wet or even icy surfaces. Temperature rated to -25°F to ensure a warm wearing experience Waterproof nylon upper with M Select® DRY to keep feet dry and cozy Alternative closure for easy on/off with medial zipper 200g insulation on vamp and quarter lining 400g insulation on footbed Non-marking outsole with M Select® grip for superior traction Anti-bacterial properties in lining helps prevent bacteria and control odor Size: 6 Youth or 7.5 Women’s Color: Black•Grey Snow rain cold warm