Don't get weighed down by bulky gear that gets in the way. Stay flexible throughout the day with the PolarForce Vest. Cover your tail and keep your arms free in this extreme cold vest with a laminated silver lining to trap escaping body heat and reflect it right back at you.Layer this heavy vest over the PolarForce Sweatshirt for maximum warmth and range of motion. This insulated vest keeps the vital organs in your core warm and coordinates with PolarForce Bib Overalls, Pants or Sweatpants to give you flexible, full-body protection so you can get the job done and get home to what matters most.Sizing Instructions: For the most accurate fit, take your measurements over the base layer of clothing you intend to wear with this RefrigiWear gear (such as thermal underwear, jeans or a sweatshirt) and refer to the size chart for this product.