Chaco Women's Borealis Tall Waterproof Boots Naturally insulated with a recycled coffee bean composite to trap body heat the Borealis Tall WP features an easy lace up system to protect your feet from the elements. Built with salt-resistant leather and enhanced traction diamond lugs for aggressive grip on snow and ice, the Borealis Tall gets winter footwear solved. Features: Full grain, waterproof, and salt-repelling Snowplow Leather upper with synthetic trim Seam-sealed waterproof construction Waterproof coffee based charcoal fleece lining releases heat back to the body and provides natural anti-odor/anti-microbial properties Faux Fur collar: 70% acrylic + 30% polyester Biomechanically designed & molded upper form-fits to Chaco LUVSEAT(TM) dual density EVA midsole with 10% recycled content for superior fit without separate footbed Non-marking ChacoGrip(TM) rubber compound 3 mm lug depth