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Warmest, thermo-mapped Atom for cold, mid-output mountain activities.
4 payments of $120.00
Standard shipping
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When the cold hits hard, reach for our warmest Atom jacket. Built for winter hikes and above-the-treeline adventures, it delivers breathable warmth in frigid, damp, and windy conditions. Synthetic Coreloft™ insulation seals in heat, while female-specific underarm gussets boost breathability where you need it most. The cornerstone of your winter ...
Versatile synthetic insulated mid layers with a high degree of weather resistance.
Versatile high performance designs for diverse activities and conditions.
Man-made insulation with quick dry times, durability and retains warmth when damp.
When the cold hits hard, reach for our warmest Atom jacket. Built for winter hikes and above-the-treeline adventures, it delivers breathable warmth in frigid, damp, and windy conditions. Synthetic Coreloft™ insulation seals in heat, while female-specific underarm gussets boost breathability where you need it most. The cornerstone of your winter hiking kit, the Atom SV serves as a standalone and rides comfortably under a hardshell for next-level protection.
What's been updated: Updated with a FC0 DWR (Durable Water Repellent) finish that’s free from intentionally added PFAS. Improved, female-specific thermal patterning maximizes breathability in the pits while providing extra warmth on the side panels.
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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