The Everett S3 is a non-metallic waterproof safety boot that offers cold insulation up to minus seventeen degrees. It features Thinsulate lining for cold insulation resistant up to -17 degrees. The waterproof, full grain leather upper keeps feet dry and protected, and provides long-term durability. It has a tough and durable rubber outsole that provides excellent grip. The composite toe offers great protection but is non-metallic and lighter than traditional steel. It provides energy absorption, is puncture resistant and has a heat resistant outsole, making it ideal for those working in aviation. Features include a molded TPU scuff cap and heel guard for enhanced protection, and a molded EVA midsole for additional shock absorption and all-day comfort. It is antistatic. Upper: Leather; Lining: 3M Thinsulate & Mesh; Sole: Nitrile Rubber. Heel Height: 2.0 cm. Safety Standard: EN ISO 20345:2011; Safety Rating: S1; Safety features: E HRO SRC FO.