... SUPERIOR HEAT INJURY PROTECTION, WATERPROOF AND BREATHABLE, LIGHT WEIGHT, EASY TO WEAR OFF,A HIGH DEGREE OF OPERAT FLEXIBILITY. MATERIAL: WATERPROOF BREATHABLE COMPOSITE ... HEAT INJURY PROTECTION, WATERPROOF AND BREATHABLE, LIGHT WEIGHT, EASY TO WEAR OFF,A HIGH DEGREE OF OPERATIONAL FLEXIBILITY.USES:LOW-TEMPERATURE ... 32CM,38CM,48CM AND 68CM.FOR BOOTS, SIZE: #38~#45 ULTRA-LOW TEMPERATURE BODY PROTECTION