Ready to reign. Out-hustle, outwit, out-train Old Man Winter thanks to one of Mother Nature’s best inventions. Crafted from a one-of-a-kind insulator, MerinoLoft®, designed by the one-of-a-kind innovators at Icebreaker, and built by careful craftspeople. Filled with 88% Merino wool, the original temperature regulating, stink-stopping, works-even-when-wet warmer, blended with flyweight, fast drying poly. Warmth by Mother Nature. Ingenuity by Icebreaker. Own one. Two handwarmer, one internal zippered pocket. Body: Nylon. Panels: 46% nylon, 38% Merino wool, 16% Lycra®. Fill: 88% Merino wool, 12% poly. XS(2), S(4-6), M(8-10), L(12-14), XL(16).