Women's Intrepid Insulated Short Snow Boot - 4 / Black Women's Intrepid Insulated Short Snow Boots Size/Fit Summary: Fits slightly smaller. If you are in-between sizes or want to wear a thick sock, it is recommended to size up. Extreme cold weather calls for the Intrepid Short Snow Boot. Expertly handcrafted with a recycled nylon upper, recycled fleece lining, and an innovative Ortholite™ footbed, they deliver dependable comfort and support in frosty conditions. Finished with an elasticated drawstring and toggle along the topline to help retain warmth, these women’s black snow boots are designed to be worn in temperatures as low as –20°C (–4°F).