Sorel Waterproof Explorer Carnival Microfleece Lined Boots Quarry Gray Size 6 These boots are brand new with tags. They come in the original box. With 100g insulation, microfleece lining, and a waterproof upper, this boot is built to protect you from the elements. Grounded with a high-traction scalloped sole and molded EVA footbed to take on the day ahead. INSULATION: 100g insulation. OUTSOLE: Outsole grade EVA with molded rubber pods. UPPER: Waterproof nylon upper and PU coated synthetic overlays. Faux fur collar or felt collar. Waterproof bootie construction. MIDSOLE: Outsole grade EVA.