Lightweight Insulation for High-Mobility Operations
Designed for tactical professionals and outdoor enthusiasts, the Arc’teryx LEAF Atom LT Jacket Gen 2.1 delivers exceptional warmth-to-weight performance without compromising mobility. Whether worn as a standalone piece in mild conditions or layered under a shell for added insulation during Special Reconnaissance or tactical operations, this mid-layer jacket is built to perform. Featuring Climashield® Combat Fibrefill insulation with DWR treatment, a mechanical stretch mini-ripstop shell, and integrated cable management, the Atom LT is the go-to insulation layer for those who demand lightweight durability and mission-ready functionality.
Why You Should Get the Arc’teryx LEAF Atom LT Jacket Gen 2.1
- Lightweight warmth: Climashield® Combat Fibrefill insulation provides warmth without bulk, designed for active movement in cold conditions.
- Versatile performance: Functions as a standalone jacket or as an insulating mid-layer under a wet-weather protective shell.
- Secure gear storage: Zippered chest and hand pockets allow secure, organized storage of mission-essential items.
- Integrated cable management: Internal loops and media ports keep communications gear streamlined and tangle-free.
- Snag-free design: Vertically routed drawcord hem closure prevents interference with duty belts and load-bearing gear.
- Full-length No Slip Zip™: Prevents unintentional self-opening at the collar during movement.
Features
- Climashield® 2oz Combat Fibrefill insulation with DWR treatment ensures warmth even in damp conditions.
- Mechanical stretch mini-ripstop shell enhances durability and flexibility for high-mobility operations.
- Left chest zip pocket allows for quick-access storage of essential gear.
- Hand zip pockets with media ports enable secure storage and clean cable routing.
- Cable management loops ensure a streamlined communications setup.
- Adjustable drawcord hem closure to customize fit and minimize snagging.
- Full zip closure with No Slip Zip™ technology prevents inadvertent opening during high-intensity movement.
Specifications
Weight: 14.3 oz | 405g
Fit: Trim fit for layering compatibility
Material:
- Fabric Origin: Japan
- Dyeing Origin: Japan
- Manufactured in: Youngone (CEPZ) LTD, Bangladesh
- Ancillary Manufacturing Facility: Lalmai Sportswear Industrial LTD, Bangladesh
Certifications: PFAS Compliant










