Arc'teryx Men's Atom Vest
Arc'teryx Men's Atom Vest
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Performs-even-when-wet core warmth for hiking, climbing, touring, and living in.
Atom
Versatile synthetic insulated mid layers with a high degree of weather resistance.
Synthetic Insulation
Man-made insulation with quick dry times, durability and retains warmth when damp.
Fair Trade Certified™
Produced in a Fair Trade Certified facility. Building worker well-being into our product DNA.
Multi-Use
Versatile high performance designs for diverse activities and conditions.
Description
If you want the warmth of an Atom Hoody with a wider range of motion and smaller Footprint USA, you’re in the right place. Pull on the Atom Vest when you feel the temperature dropping on longer hikes and climbs or wear it as a midlayer under a shell for touring and wet winter objectives. The Coreloft synthetic insulation stays warm even if you run into light weather, making it a better alternative to down for high-output days year round.
What's been updated: Updated with a new FC0 material, FC0 DWR finish, and 100% recycled stretch synthetic insulation. New stretch insulation offers improved freedom of movement. The Bird logo is embroidered for long lasting visual.
Features & Specs
Technical Features
- Moisture-resistant outer face fabric
- Breathable
- Lightweight
- Insulated
- Packable
Construction
- Fortius™ Air 20 nylon liner is lightweight, breathable, and made with recycled content
- Stretch synthetic insulation is breathable, warm, and light, adds freedom of movement, and is made with recycled content
- Lightweight stretch Octa® Fleece side panels provide freedom of movement and improve ventilation
Design & Fit
Garment Centre Back Length: Size M is 28"/71cm - Varies by size
Fabric Treatment
FC0 DWR (Durable Water Repellent) finish repels moisture and is PFAS-free
Hem Configuration
Adjustable hem draw cord seals out drafts
Patterning
Ergonomic patterning construction for mobility and comfort
Pocket Configuration
Two hand pockets with hidden zippers
Sustainability
- Contains materials that meet the bluesign® criteria
- Shell - bluesign® approved material
- Contrast - recycled content
- Insulation - recycled content
- Lining - bluesign® approved material
- This article was treated with an anti-odour biocidal product (Polygiene)
- PFAS (Per- and polyfluoroalkyl substances) Compliant
Men's
Jacket/shirt sizing chart - new sizing
XXS |
78 |
84 |
69 |
83 |
XS |
81 |
89 |
74 |
88 |
S |
83 |
94 |
79 |
93 |
M |
86 |
102 |
86 |
100 |
L |
89 |
109 |
94 |
108 |
XL |
91 |
119 |
104 |
118 |
XXL |
94 |
129 |
114 |
128 |
3XL |
96 |
139 |
124 |
138 |
NOTE: Men's fit has been updated with a revised fit. Medium size remains unchanged. Smaller sizes are now tighter and larger sizes are now looser. Arc'teryx sizes are intended to fit the above body measurements. If your measurements are between sizes, select a larger size for a looser fit or a smaller size for a tighter fit.
Activity Hike/Everyday
Fit & Sizing

Fit: Fitted
Our trimmer fit is patterned to stay close to the body through the chest, waist, hip, and thigh. Its low profile eliminates bulk, moves with the body, and fits comfortably over first layers or under outer layers.
Materials & Care
Materials
- Contrast: Octa Polyester Fleece, Raschel Anti-shed with 40D Delta Face, Polygiene, 122gsm - 100% Polyester
- Synthetic Insulation: Coreloft™ Stretch, 40gsm - 100% Polyester
- Lining: Recycled 20d nylon plain weave weft stretch FC0 DWR, 58gsm - 88% Nylon, 12% Elastane
- Body: Recycled 20d nylon plain weave weft stretch FC0 DWR, 58gsm - 88% Nylon, 12% Elastane
- Origin of fabric: TAIWAN
- Origin of dying: TAIWAN
- May release plastic microfibres into the environment when washing
Care
- Machine Wash Gentle Low
- Tumble Dry Gentle Low
- Do Not Bleach
- Wash Dark Colours Separately
- Do Not Dry Clean
- Do Not Iron
- Do Not Use Fabric Softener
- Double Rinse
- Do Not Wring
