BBZ6000 S5 Black Neoprene/Rubber Heat and Cold Insulated Safety Wellington Boot The outstanding safety wellington of its generation. BBZ6000 safety neoprene/rubber waterproof boot feature a structured Aerospencer honeycomb breathable linings and detachable cushion insoles with a distinctive safety side flash and a hi-viz lining which rolls down for extra safety. To add to its already extensive EN standards credentials, we've added Cold Insulation certification (CI) which means that they operate with comfort to temperatures of -17°C (±2°C) for minimum periods of 30 minutes. Cleated lightweight rubber outsoles which are slip resistant certified to the maximum SRC standard ensure that safety and comfort is never a compromise. Distinctive safety side flash and a hi-viz lining which rolls down for extra safety. Cleated lightweight rubber outsoles, slip resistant certified to the maximum SRC standard ensure that safety and comfort is never a compromise. Antistatic (A)Cold Insulation Certified to -17°C for 30 minutes (CI)Detachable Cushion InsolesOil Resistant Rubber OutsoleSlip Resistant - max test (SRC)Steel Anti-Penetration Midsole (P)Steel Safety Toe Cap (SB)Structured Aerospencer Honeycomb Breathable LiningWaterproof (WRU)BlackSole - K3 Rubber SoleS5 HRO CI HI SRC Cold Insulation Certified to -17°C for 30 minutes To add to its already extensive EN standards credentials, we've added Cold Insulation certification (CI) which means that they operate with comfort to temperatures of -17°C (±2°C) for minimum periods of 30 minutes. Slip Resistant - max test (SRC) S5 HRO CI HI SRC Steel Anti-Penetration Midsole (P) Steel Safety Toe Cap (SB) Structured Aerospencer Honeycomb Breathable Lining Cleated lightweight rubber outsoles which are slip resistant certified to the maximum SRC standard ensure that safety and comfort is never a compromise.