Arc'teryx Women's Atom Jacket – Lightweight Warmth for Any Season

The Arc'teryx Women’s Atom Jacket is a core piece for mountain layering and everyday winter use. Designed for versatility in cool-to-cold conditions, this jacket features Coreloft™ Compact synthetic insulation that retains warmth even when damp, paired with Tyono™ 20 fabric for wind resistance and a soft hand feel. Stretch fleece side panels enhance breathability and mobility, making it ideal as a midlayer under your ski shell or a standalone piece around town. Whether you're carving up Mammoth, hiking Griffith Park, or walking your pup in chilly L.A. mornings, the Atom delivers warmth without weight.

Key Features:

• Coreloft™ Compact Insulation – Efficient warmth, even when wet
• Tyono™ 20 Shell – Lightweight, wind-resistant, and durable
• Stretch Fleece Side Panels – Enhanced breathability and movement
• Trim Fit – Layers easily under shells or parkas
• No-Slip Zip™ Front – Keeps jacket securely fastened during activity
• Packs Small – Fits easily in a backpack for backcountry or travel use