100% post industrial recycled lining with 200g Thinsulate lining keeps feet warm and dry100% post industrial recycled sock lining with CLEANSPORT NXT pro-biotic odor controlCushioned foam footbed.Resilient PU midsole for cushion and reboundT1200Durable rubber outsole SRX for extreme slip resistanceFull Grain WPCementTechnologies:SRX: Extreme Slip Resistance, Thinsulate™ 200g, Waterproof, CSA, Composite Toe (CT), Electrical Shock Resistant, Slip Resistant, Puncture Resistant (PR), CLEANSPORT NXT