The Arc'teryx Men's Atom LT Hoody is a packable jacket that delivers the warmth needed in a whole host of situations and environments. Due to its versatility, it's become a favorite of athletes, professionals, and outdoor enthusiasts alike. Insulated with 60g of lightweight, water-resistant Coreloft;, this hoody maintains thermal Performance if exposed to moisture, and compresses into the tiny nooks of your backpack when not in use. The side panels Are made with Polartec; Power Stretch; fleece for enhanced mobility and breathability, making it an excellent midlayer. Features of the Arcteryx Men's Atom LT Hoody Light, soft Tyono 20 has good air permeability; DWR finish repels moisture Coreloft 60 Insulation provides warmth Hardface stretch side panels for ventilation Adjustable, insulated, low profile StormHood No Slip Zip main opening, zippered hand pockets, internal zippered chest pocket; adjustable hem