Arc'teryx Atom LT Jacket - Men's

Arc'teryx Atom LT Jacket - Men'sCLEARANCE

5 review(s)

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Item#: ARC-24478, Mfg#: 24478  

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Gender Men

Designed for Men

Arc'teryx Atom LT Jacket - 24478

This trim hybrid jacket is designed as an active-use insulation layer, providing vital core warmth with liberal mobility and breathability. Lightweight and compressible, the Atom LT Jacket features Coreloft™ insulation in the torso and arms. The side panels and underarms feature smooth faced, air permeable fleece stretch for ventilation. A wind and moisture resistant outer shell extends stand-alone usability.


Fact: Every person at Head Office owns at least one Atom LT; most of the women have two.
The reason: Coreloft™ insulation inside a light taffeta shell. All the comfort of a sleeping bag, but it feels weightless.


The benefit of taffeta fabrics is their light, airy nature with an ability to turn aside wind. The Atom series have a taffeta outer lining that is treated with DWR (durable water resistant) finish to give them a long-lasting ability to shed moisture. In light precipitation, the Atom LT can be worn as an outer layer.


Mid layers that can function as outer layers have varied degrees of weather shedding capability; they also have varied degrees of moisture management. In addition to being made of breathable Coreloft™ insulation, the Atom LT has smooth faced, air permeable fleece stretch side panels to help regulate temperature during exertion.


Highly compressible, Atom pieces pack down into a tiny parcel of stored warmth. Store the jacket inside its own pocket, or tuck it into a sleeve. A quick shake restores the original loft, time and again.

•Moisture-resistant outer face fabric
•Compressible and packable
•Wind resistant
•Composite construction
•Breathable, stretch side panels for enhanced comfort and mobility
•Articulated elbows
•Gusseted underarms for mobility and comfort
•Stand up collar
•Insulated collar
•Soft, smooth lined collar
•Full front zip with wind flap
•No Slip Zip™ front zipper
•Stretch-knit cuffs
•Drop back hem
•Laminated hem
•Internal chest pocket
•Two hand pockets
•DWR (Durable Water Repellent) finish repels moisture
•Coreloft™ 60 (60 g/m²) insulation. Made with highly crimped multi-denier siliconized polyester yarn, this lightweight, breathable, and thermally efficient, 100% polyester staple fibre is very compressible and has excellent loft retention.
•Tyono™ 20 denier shell with DWR treatment - 100% nylon

Customer Reviews

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Up and Atom
Posted by Mark Y (Certified Winter Enthusiast) on 11/21/2019

Pros: warm, light weight and looks great
Cons: none that I can think of

Would you recommend this product to a friend? Yes

This is an incredibly warm, light weight jacket. Works great for me in cooler temps for outside activities and is an excellent mid-layer for really cold weather.

Everyday Garment
Posted by Kevin Harrigan (Certified Winter Enthusiast) on 10/29/2019

Pros: Lightweight, can be used as a layering piece!

Would you recommend this product to a friend? Yes

This is my got to garment once the temperature begins to drop. Lightweight and warm!

Nice Jacket
Posted by Jeff (Certified Winter Enthusiast) on 10/22/2019


Would you recommend this product to a friend? Yes

Light weight and warm. Good as a mid layer and as outer wear on warmer winter nights when going out for the night

Great jacket
Posted by Jeff S. (Certified Winter Enthusiast) on 10/2/2019


Would you recommend this product to a friend? Yes

Terrific light weight jacket. It is hard to believe how warm this jacket is. Great as weekday jacket or under a shell when skiing.

Sweet Jacket
Posted by Charlie H (Certified Winter Enthusiast) on 9/28/2019

Pros: super versatile

Would you recommend this product to a friend? Yes

Bought this jacket for layering under my shell when skiing for which it performs extremely well. It is not bulky so it fits well under a shell and can be worn solo when going out in the evening after skiing. It also is ideal for walking the dog in the morning. Just a great jacket that can be worn for many occasions.