Sierra Heated Knit Vest - Men's Size:3XL one back) are activated by

one back) are activated by an LED controller on the chest and operate across 3 temperature settings

Soft ear plugs seal the ear canal with soft

The adjustable hood adds extra coverage

The pack includes a carrying handle

Outer Jacket Pockets: 1 left chest radio

Sierra Heated Knit Vest - Men's Size:3XL one back) are activated byEveryday warmth. Effortless value. Meet the Gobi Heat Sierra Heated Knit Vest lightweight, flexible, and designed to keep warmth within reach. Built with the same trusted Gobi Heat technology found in our premium outerwear, Sierra delivers dependable heat, a comfortable knit feel, and everyday versatility at our most accessible price yet. Key Features Four Heat Zones Two in the chest, one in the neck, and one on the upper back for complete core