Fit & Design: Regular fit full-zip vest Zip-through collar with double chin guard helps keep you warm Lightweight, quilted fabrication Zippered front hand warmer pockets Full zip front closure with two-way zipper Strategically-placed stretch panels for better range of motion and comfort ? Technology: 37.5(R) premium thermoregulating insulation works to maintain an ideal core temperature Windproof quilted panels for protection from the elements ? Additional Details: The Gradient Vest is an update to our popular AT Hybrid Vest 37.5(R) insulation is chemical-free and sustainably produced, with improved biodegradation Zippers, hems, and seams are warrantied for 1 year from date of purchase on all outerwear