Made to handle your winter hiking adventures, our Rainier Mid Boots offer premium protection for when the going gets cold. This boot features a waterproof full-grain leather upper paired with a grippy Vibram® outsole so you can confidently go outdoors in sloppy weather. The shearling fleece collar traps heat, and 400g of ThermaFill® insulation keeps your toes cozy & warm. California residents, read the Proposition 65 WARNING California Proposition 65 WARNING WARNING: This product can expose you to chemicals including chromium (hexavalent compounds), which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov