... HIGH DEGREE OF OPERAT FLEXIBILITY. MATERIAL: WATERPROOF BREATHABLE COMPOSITE MATERIALS, LOW-TEMPERATURE COTTON, WOVEN LINING,FEATURES: SUPERIOR HEAT INJURY PROTECTION, WATERPROOF AND ... TO WEAR OFF,A HIGH DEGREE OF OPERATIONAL FLEXIBILITY.USES:LOW-TEMPERATURE ENVIRONMENT TO WORK LONG HOURS, MORE THAN 1000 CLEAN ... 32CM,38CM,48CM AND 68CM.FOR BOOTS, SIZE: #38~#45 ULTRA-LOW TEMPERATURE BODY PROTECTION