Description
Atom SL Hoody Women’s is the lightest, most packable insulated jacket designed for alpine and hiking, built as a light, packable layer for high-output efforts in cold, wet weather.
- Product Type: Women’s lightweight insulated jacket.
- Material: Synthetic Fill.
- Weight: 240g.
- Stretch synthetic insulation in the body with no insulation in the sleeves or hood to focus warmth on the core and reduce bulk.
- Updated recycled Fortius™ Air 20 fabric with an FC0 DWR finish for weather resistance and mobility.
- StormHood™ is lined and no longer stowable; Octa® Fleece side panels add breathability and reduce micro shedding.
For alpine and hiking layering, pair it with a women’s shell jacket and add a beanie for colder conditions.
Lighter than the original, the Atom SL Hoody is one of the most useful (and packable) pieces you can own. Wear it as a standalone layer when trail runs take you through cold, wet weather or layer it with a waterproof shell when mountain pursuits demand additional warmth and mobility. Breathable and weather-resistant, it has stretch insulation in the body but not the sleeves or hood — maximizing packability while still delivering focused warmth to your core.
What’s been updated: Updated with recycled Fortius™ Air 20 fabric, recycled stretch synthetic insulation, and FC0 DWR finish for improved mobility and a lower footprint. New Octa® Fleece side panels give enhanced breathability and less micro shedding. The StormHood™ is now lined and no longer stowable. The Bird logo is embroidered for long lasting visual.
Need a heavier option? Try the Atom Hoody.




















