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2020 Arc'Teryx Atom LT Mens Orion Jacket

SKU: 20014473
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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.

Every person at Arc’Teryx 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.


Colour Orion Fabric Tyono™ 20 denier shell with DWR treatment - 100% nylon Fit Trim fit, Hip Length
Waterproofing DWR (Durable Water Repellent) finish repels moisture Insulation Coreloft™ 60 (60 g/m²) insulation - 100% polyester Breathability High
Patterning Breathable stretch side panels for enhanced comfort and mobility, Articulated elbows, Gusseted underarms for mobility and comfort Collar Type Stand up collar, Insulated soft- lined collar Zip Venting N/A
Pockets Internal chest pocket, Two hand pockets Zippers Full front zip with wind flap, No Slip Zip™ front zipper Care Info  Machine wash in cold water on a gentle cycle. Do not bleach. Tumble dry on low heat on a delicate setting. Do not iron. Do not wring. Do not dry clean.
Cuffs Stretch-knit cuffs Hem & Lining Drop back hem, Laminated hem