Stay light, stay warm: The Atom Vest by Arc’teryx® does it all. Featuring Coreloft™ insulation, it’s lightweight, breathable, and warm-even when wet-while resisting compression over time. The Tyono™ 20 face fabric offers wind protection and breathability with a PFAS-free DWR finish for water repellency. Durable stretch fleece panels enhance mobility, and the hybrid mapping technology places fabrics where you need them most. A mid-height collar traps warmth, while zippered hand and chest pockets secure essentials. Compact and packable, this vest stows into its own pocket and clips to a carabiner. Adventure-ready, layer-friendly, and eco-conscious, it’s built for those who demand more.
- Long sleeves.
- Zippered front closure.
- 100{d1533fc35e1f27f79e61f66397cb1d32ae7344f96a7c87ed7dbdf22d95dfbdc3} nylon.
- Bluesign® approved.
- Machine washable.
- Imported.
- This product has been certified by one or more industry certifying organization for meeting at least one industry standard for sustainable and ethical products.
- Product measurements were taken using size SM. Please note that measurements may vary by size.
- Measurements:
- Length: 26 in








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