Our Milwaukee® M12™ women's heated Axis™ vest delivers heat built for lightweight durability. Powered by our M12™ Redlithium™ battery technology, this lightweight and durable vest features an advanced heat technology system utilizing carbon fiber heating elements and quick-heat functionality, distributing heat 3x faster than market competitors to the chest and back. A hidden battery pass-thru pocket construction allows for front or back battery placement, increasing comfort and versatility. Five exterior pockets ensure your Essentials™ are always within reach. With re-engineered Axis™ ripstop polyester fabric, our vest prevents tears from spreading while keeping heat in and not adding bulk. The compressible, wind and water-resistant design can be used as an outer shell or mid-layer vest depending on the situation. Milwaukee® 334B-21M M12™ Women's Heated Axis™ Vest with M12™ Battery, Charger and Battery Holder, Wind/Water Resistant, Black, M