The Everett S3 is a non-metallic waterproof safety boot that offers cold insulation up minus seventeen degrees. Features and BenefitsThinsulate lined for cold insulation that can resist up to -17 degreesWaterproof, full grain leather upper keeps feet dry and protected, and provides long-term durabilityTough and durable rubber outsole that provides excellent gripComposite toe: same great protection but non-metallic and lighter than traditional steelEnergy absorption, puncture resistant and with a heat resistant outsoleNon-metallic: ideal for those working in aviationMolded TPU scuff cap and heel guard for enhanced protectionMolded EVA midsole offers additional shock absorption and all-day comfortAntistatic Specifications Material Composition: Leather/Other Materials/Other Materials Upper Outer Material: Leather Lining Material: 3M Thinsulate & Mesh SoleMaterial: Nitrile Rubber Heel Height: 20 Heel Type: Flat Fitting: Standard Fastening: Lace Up Gender: Male