Milwaukee M12™ Heated TOUGHSHELL™ Jacket Kit is designed to provide heat built to outlast in the harshest conditions. Powered by Milwaukee’s innovative HEXON HEAT TECHNOLOGY™, this jacket heats up faster and greater heat coverage, keeping you warmer for longer whether you're working outdoors in the cold or inside environments with minimal heat. It features three times more insulation than previous models, maximizing heat retention and comfort. The jacket includes a hidden battery pass-thru pocket that allows for versatile battery placement on the front or back, adapting to your task needs. Made from durable stretch polyester fabric with a Durable Water Repellent (DWR) finish, it effectively shields against the elements. Developed in collaboration with trade professionals through ongoing research, Milwaukee Heated Gear is engineered to meet the highest standards of performance and comfort. Model Number: M12HJK-0