Light, packable and proven, the Atom LT – an Arc’teryx icon – is a performance warming layer for backcountry adventures, alpine ascents and downtown commutes. Refined for its next generation, we elevated its performance and extended its versatility. The Coreloft™ Compact 60 insulation retains heat when wet and withstands repeated packing and unpacking. The soft, durable Tyono™ 20 face fabric resists wind and weather, and stretch fleece side panels improve ventilation and freedom of movement.
Redesign includes an update to the cuff construction for easier on/off and layering, an updated material package for enhanced durability, updated fit, and a dope dyed liner.
Technical Features
Moisture-resistant outer face fabric
Breathable
Insulated
Lightweight
Compressible and packable
Versatile
Wind resistant
Construction
Performance stretch fleece side panels give ventilation
Light, soft Tyono™ 20 is air permeable
Resilient Coreloft™ Compact 60 insulation retains loft
Design & Fit
Trim fit for base layer or light mid-layer use
Patterning
Articulated elbows
Gusseted underarms for mobility and comfort
Collar Configuration
Mid-height collar is insulated and fleece-lined, layers well
Zippers & Fly Configuration
No Slip Zip™ front zipper
Custom TPU zipper pulls
Cuff & Sleeves Configuration
Stretch-knit cuffs
Improved cuff construction increases durability, eases layering and removal
Hem Configuration
Laminated hem
Slight drop hem
Dual lower hem adjusters
Pocket Configuration
Two hand pockets with hidden zippers
Internal chest pocket with zip
Sustainability
Dope dyed lining fabric
Contains materials that meet the bluesign® criteria
Fabric Treatment
DWR (Durable Water Repellent) finish repels moisture
Weight: 345 g / 12.2 oz
Fit: Trim fit, Hip Length, Centre back length: 74 cm / 29.1 in
Materials
- Stretch fleece - 94% polyester, 6% elastane
- Tyono™ 20 denier shell with DWR treatment - 100% nylon
- Coreloft™ Compact (60 g/m² ) insulation. Highly crimped, multi-denier siliconized polyester yarn that has undergone a special process which reduces the thickness of the material by 50%, without reducing its insulation value by the same amount. Lightweight, breathable, thermally efficient 100% polyester fibre.
- Dope Permeair™ 20 - 100% nylon
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