The Everett S3 is a non-metallic waterproof safety boot that offers cold insulation up minus seventeen degrees.Thinsulate 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