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If you want the warmth of an Atom Hoody with a wider range of motion and smaller footprint, 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 ...
Versatile synthetic insulated mid layers with a high degree of weather resistance.
Produced in a Fair Trade Certified facility. Building worker well-being into our product DNA.
Versatile high performance designs for diverse activities and conditions.
If you want the warmth of an Atom Hoody with a wider range of motion and smaller footprint, 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; the side panels and lining are now made with a recycled material as well. A new regular fit, with a slightly lower collar, makes layering easier.
Our classic fit is cut comfortably throughout the chest, waist, hip, and thigh. It allows freedom of movement, provides shape, and layers comfortably under our regular and relaxed fit shells.
Size
Sleeve
Chest
Waist
Hip
XXS
72
76
60
84
XS
75
81
65
89
S
77
86
70
94
M
80
91
99
L
83
107
XL
109
93
117
XXL
85
119
103
127
28½
30
23½
33
29½
32
25½
35
30½
34
27½
37
31½
36
39
32½
42
43
36½
46
33½
47
40½
50
EU
UK
China
Japan
Korea
4
160/80A
6
160/84A
10
165/88A
90
38
12
165/92A
95
16
170/100A
LL
100
20
170/108A
3L
110
24
175/120A
4L
120
NOTE: 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.
Note: Calculate your own body measurements, then select your product size.
1. Sleeve: With arm relaxed at your side and slightly bent, measure from center back neck, across shoulder to elbow and down to wrist.
2. Chest: With arms relaxed at your sides, measure under your arms, around the fullest part of your bust
3. Waist: Measure around your waist at the narrowest part.
4. Hip: Standing with feet hip width apart, measure around your hips at the widest part.
Cut snug to the body through the entire garment to enhance moisture management and thermal efficiency.
Cut slim to the body through chest, waist, hip and thigh for a low profile fit.
Cut comfortably from the body through bust/chest, waist, hip and thigh for a classic fit.
Cut loosely through the waist, hip, and thigh for a casual fit.
Layers are the instruments of keeping you dry, warm and using your energy efficiently. Put into the right systems, a good sequence of layers provides you with weather protection, moves moisture away from your skin, conserves or dissipates heat, and does this in the least amount of time.
Use the layering guide to select additional pieces for your system and understand how they fit together. Find out more about how to layer on our Layering Page.
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