Sorel NL2007-383 This timeless waterproof, insulated PAC boot channels the classic style of an equestrian riding boot while keeping feet dry and warm in inclement weather. Ideal for everyday wear, the full-grain leather upper and iconic rubber shell create a protective foot environment while the molded EVA footbed and integrated arch support provide lasting comfort. UPPER: Waterproof full-grain leather. Micro fleece lining with 100g insulation. FOOTBED: Molded EVA footbed with arch support. SHELL: Insulated waterproof vulcanized rubber shell. Microfleece topcover. OUTSOLE: Rubber herringbone outsole and wrapped leather heel.