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The Arc'teryx Atom SV Jacket delivers the warmest protection in the Atom lineup with Coreloft™ synthetic insulation and underarm gussets that maintain breathability during demanding winter hikes and above-treeline adventures. Whether worn standalone or layered under a hardshell for maximum protection, this cornerstone piece handles frigid, damp, and windy conditions with the kind of reliable warmth that keeps you exploring when others turn back.
Tyono 30™ – 100% Nylon
PFAS-Free Durable Water Repellent Finish
Coreloft™ 120 Synthetic Insulation – Warm, resilient 100% recycled Coreloft™ 120 synthetic insulation provides thermal performance and retains loft.
20D 100% Recycled Nylon
Regular Fit – Cut comfortably from the body through bust/chest, waist, hip and thigh for a classic fit.
Two Hand Pockets with Zippers
Internal Chest Pocket with Zipper
Stretch Knit Cuffs
Adjustable Hem Drawcord
| Warmth | Description | Ideal Conditions |
| Shell | Outer shell with no insulation. Pair with base layers and mid layers to fine tune the level of warmth required. | Variable |
| Warm | Light insulation. Use additional base or mid layers to add warmth when temperatures drop. | 20° - 35° |
| Warmer | Moderate insulation. Suitable for cold conditions. | 10° - 25° |
| Warmest | Heavy insulation. Designed to keep you comfortable and protected on the coldest days. | Below 15° |