Sorel Women's WHITNEY™ III MID Women's Waterproof Boot: BLK  Insulated cold-weather boot with a roomier fit, extra cushioning, and enhanced tread for superior grip and comfort. UPPER: Waterproof nylon upper with synthetic overlays. Nylon collar and tongue  or felt collar and tongue   Heel pull tab. Microfleece lining. Waterproof bootie construction.  INSULATION: 200g insulation. FOOTBED: Removable plush PU-like EVA footbed with microfleece topcover. MIDSOLE: Rubber. OUTSOLE: Molded rubber. Imported