Versatile, Lightweight Insulation for Cold-Weather Missions Designed for tactical professionals and outdoor adventurers, the Arc'teryx LEAF Atom LT Hoody Gen 2.1 delivers lightweight warmth and durability in a mission-ready package. Whether worn as a standalone in cold, dry conditions or layered under a shell for added insulation in extreme weather, this versatile mid-layer keeps you moving with high-mobility performance. Featuring Climashield® Combat Fibrefill insulation, an insulated hood, and integrated cable management, this hoody is built for those who demand reliable warmth without the bulk. Why You Should Get the Arc'teryx LEAF Atom LT Hoody Gen 2.1 Lightweight, breathable insulation: Climashield® 2oz Combat Fibrefill insulation offers exceptional warmth-to-weight performance without restricting movement. Versatile hooded design: Insulated hood adds warmth when needed and layers comfortably under helmets or outer shells. Streamlined mission support: Zippered hand and chest pockets with integrated cable management keep mission-critical gear secure and organized. Snag-resistant design: Vertically routed drawcord hem closure minimizes interference with duty belts and other equipment. Full-length No Slip Zip™: Prevents accidental unzipping while ensuring fast, easy temperature regulation.