Eight-hour warmth plus a place to recharge your personal electronic devices are built into the ready-for-work Milwaukee® M12™ Heated Jacket. Easy one-touch High/Medium/Low settings let you select the right amount of heat in the front/back heat zones and separately controlled front hand warmer pocket. Toughshell™ stretch polyester provides wind and water resistance, and can be worn in abrasive environments. The jacket has added stretch across the shoulders and back for easy movement. High loft insulation helps trap heat.Milwaukee Heated Gear is constructed with carbon fiber heating elements woven between the rugged exterior materials and thermal insulating liners, to generate and maintain heat across core body areas with fewer bulky layers to put on and take off.The jacket is designed to work with the M12 REDLITHIUM™ battery to provide all-day warmth in fall, winter, and spring weather on a single battery charge. REDLITHIUM batteries offer more runtime, power, and recharges than conventional Li-ion batteries, with superior performance even in extremely cool or hot weather. The kit is complete with an M12 REDLITHIUM 2.0 compact battery pack and M12 Li-ion battery charger.