Conquer the great outdoors with the Arc'teryx Atom Hoodie - your ultimate ally against the elements. Engineered for versatility, it's a sturdy midlayer that stands strong as a solo piece. Experience the warmth of Coreloftâ„¢ Compact insulation, ready for any weather, paired with a breathable, water-resistant Tyonoâ„¢ 20 shell. Mobility meets functionality with stretch side panels and an insulated StormHoodâ„¢, all in a sleek fit designed for dynamic movement. 100% Nylon, Tyonoâ„¢ 20 Denier Shell, Coreloftâ„¢ 60 Insulation, Stretch Fleece Side Panels, Moisture & Wind Resistant, Stretch Knit Cuffs, Adjustable Toggle Insulated StormHoodâ„¢, Arc'teryx. Arc'teryx Men's Atom Hooded Jacket in Chloris, Size X-Small