Light, packable and proven, the Atom 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.

Technical Features
- Moisture-resistant outer face fabric
- Breathable
- Lightweight
- Compressible and packable
- Insulated
- Wind resistant
- Versatile

Collar Configuration
- Mid-height collar is insulated and fleece-lined layers well

Construction
- Performance stretch fleece side panels give ventilation
- Resilient Coreloft Compact 60 insulation is breathable
- warm and light
- performs if wet and delivers loft retention that resists packing out
- Light soft Tyono 20 is air permeable

Cuff & Sleeves Configuration
- Stretch-knit cuffs
- Cuff construction increases durability eases layering and removal

Design & Fit
- Trim fit for base layer or light mid-layer use

Hem Configuration
- Laminated hem
- Dual lower hem adjusters
- Slight drop hem

Patterning
- Articulated elbows
- Gusseted underarms for mobility and comfort

Pocket Configuration
- Two hand pockets with hidden zippers
- Internal chest pocket with zip

Sustainability
- Contains materials that meet the bluesign criteria
- Dope dyed lining fabric

Zippers & Fly Configuration
- No Slip Zip front zipper
- Custom TPU zipper pulls are easy to operate and glove-friendly

Materials
- Tyono 20 denier shell with FC0 DWR treatment 100% nylon
- Lining: Dope Permeair 20D 100% nylon Dope Dyed
- Stretch fleece 94% polyester
- 6% elastane
- Insulation: Coreloft 60 (60 g/m) 10