The Milwaukee Small Black M12 Toughshell Heated Jacket Kit is powered by Lithium Battery Technology and features an advanced Heat Technology System. Combining lightweight and durable carbon fiber heating elements, quick-heat functionality, enhanced fabric construction, and optimized interior liners, the Toughshell Heated Jacket delivers heat built to last. The new generation Toughshell Stretch Polyester has been re-engineered to stretch and move while being as tough as previous jackets. This Milwaukee heated jacket has a unique battery pocket pass-thru design that is easy to use with front or back pocket battery placement for versatility and comfort depending on the situation. This jacket is a go-to for protection from the elements on the jobsite or when enjoying the outdoors. Features: Extended waistline and drop-tail back prevents riding up while working Freeflex Mobility: Dropped shoulder seams and under-arm gussets create improved range of motion One-touch LED controller with (3) heat settings per zone (High, Medium, Low) Advanced Heat Technology System with Quick Heat Function: 3X faster heat up time High loft insulation traps heat inside Adjustable cuffs and waist improve fit and comfort Optimized interior lining provides more efficient heat transfer to the chest