Icebreaker Size Chart An essential auxiliary insulator that's as warm as it is stylish, the Stratus X Vest offers condensed core warmth and classic alpine style in a toasty warm, environmentally conscious package. The Stratus' 100% recycled Polyester shell is durable and eco-friendly, with a DWR finish that sheds wind and light precip during variable winter days. Innovative MerinoLOFT(TM) insulation, a sustainable and high-lofting alternative to synthetic fills made from all-natural merino wool (up to 10% of which is recycled), retains warmth even when wet and naturally helps regulate body temperature. The jacket is lined with 100% woven merino wool for incredible next-to-skin softness. Zippered front pockets keep your hands safe from the winter winds, and a zippered interior pocket keeps your valuable essentials safe. Features: - Zoned quilting for thermal regulation - Metaluxe vislon center front zip - Zipper chin guard and interior storm flap prevent chafing - Forward set side seams for comfort - Metaluxe zippered hand pockets - Zippered interior security pocket - Center back length: 78.4cm/31" (size L) - Weight (Size Medium): 390 g / 13.75 oz - Face: 100% Polyester - Fill: 180gm MerinoLOFT(TM) 88% Merino Wool, 12% Polylactide - Body Lining: 100% Merino Wool - Alternate images do not reflect actual color