ALLOY is designed with superior heat-resistant material that provides optimal protection and durability. Ideal for demanding working environments, available through Kremers Wholesalers, perfectly combines style and functionality. SB | SRC | HRO Heavy duty PU/Rubber 300 degree heat resistant sole Extreme abrasion resistance Slip Resistant SB | SRC | HRO Meta-guard for impact resistance Non-conductive rubber Slip Resistant