3-zone heating - 2 in the chest and a large zone in the back 10 hour battery life with lightweight, comfortable lithium-Ion battery One-touch LED controller with 3 heat settings: low, medium, and high Conductive thread heating technology Wind and water resistant lightweight polyester material By combining lightweight, abrasion resistant polyester with conductive thread heating elements, our heated men's vest is your perfect solution for keeping warm on the go. The Colorado Heated Men's Vest provides up to 10 hours of electric warmth! Available in Officially Licensed Mossy Oak Break-Up Infinity Camo, this vest has the ability to match any mood mother nature tosses at you. A low setting for those brisk days, medium for the cold ones and high for the bone chillingly "why do I live here?" ones! Our ultra compact battery supplies 3x the juice of other competitors and has a USB port for easy mobile charging.