Arc'teryx PRO Atom LT Jacket Men's (Gen 2.1)

Part of the Arc'teryx PRO Essentials Collection, the Atom LT Jacket (Gen 2.1) is an insulated midlayer worn on its own or under a wet weather shell. Its air-permeable materials package is built for use under plate carriers and packs, giving a wide comfort zone when you can't change layers mid-task, and increased wind and moisture resistance let it work as an outer layer in mild wind, rain or snow.

Why You Should Get It

• Comfort Under Load – Air-permeable materials and Polartec® Power Stretch Hardface® side panels breathe under plate carriers and packs.

• Works as an Outer Layer – Increased wind and moisture resistance for mild wind, rain or snow.

• Comms-Ready Pockets – Hand zip pockets with media ports and cable management loops.

• Glove-Friendly Fit – Velcro® adjustable cuffs and one-handed drawcords routed clear of duty belts and harnesses.

Key Features

• Breathable Side Panels – Polartec® Power Stretch Hardface® side panels provide added breathability and maintain a form fit.

• No Slip Zip™ Closure – Full zip closure prevents the zipper from self-opening at the collar.

• Secure Chest Pocket – Left chest zip pocket allows for the secure carriage of mission-essential items.

• Adjustable Velcro® Cuffs – Seal to the wrist, open wide for donning and doffing over tactical watches and gloves, or roll to the elbow for venting.

• Cable Management Loops – Allow routing of communications cables exiting the hand pocket media ports.

• Zippered Hand Pockets – Include media ports for convenience and secure carriage of mission-essential items.

• Glove-Friendly Drawcords – One-handed adjustment with vertically routed cords to minimize interference with duty belts, harnesses and pack hip straps.

Materials & Construction

• Main Fabric: LI PENG High Air Perm Nylon Ripstop

• Stretch Fabric: TORAY Mechanical Stretch Mini-Rip Lightweight

• Side Panels: Polartec® Power Stretch Hardface® fleece, air-permeable and fast-drying

• Insulation: Coreloft™ Continuous 65 (2oz) synthetic insulation with DWR

• PFAS: Made with PFAS chemicals

Technical Specifications

• Weight / Volume: 405 g / 13.3 oz (size L)

• Country of Origin: Bangladesh

• MPN: X000006850