The Atom is engineered for alpine versatility—delivering consistent warmth across changing conditions. Its Coreloft insulation maintains loft season after season without compression, while stretchy fleece panels offer targeted breathability and mobility. Layer it beneath a hardshell for a packable, weather-resistant system that performs whether you're climbing exposed ridges or caught in sudden weather. Built for climbers, hikers, and alpinists who demand reliability in unforgiving terrain.
Atom
Versatile synthetic insulated mid layers with a high degree of weather resistance.
Synthetic insulation
Man-made insulation with quick dry times, durability and retains warmth when damp.
Fair Trade Certified™
Produced in a Fair Trade Certified facility. Building worker well-being into our product DNA.
Multi-use
Versatile high performance designs for diverse activities and conditions.
Technical features
- Moisture-resistant outer face fabric
- Breathable
- Lightweight
- Wind resistant
Collar configuration
- Tricot lined collar for next-to-skin comfort
Cuff & Sleeves configuration
Design & Fit
- Fitted, with articulated patterning for mobility and comfort
- Garment Centre Back Length: Size S is 26"/66cm - Varies by size
- Recycled Coreloft™ insulation delivers breathable warmth that resists packing out
- Side hem vent for improved mobility and freedom of stride
Fabric treatment
- DWR (Durable Water Repellent) finish repels moisture and is free from intentionally added PFAS
Hem configuration
- Dual hem cinches seal out drafts and adjust length
Pocket configuration
- Internal chest pocket
- Two hand pockets with zippers
- Internal chest pocket with zip
Sustainability
- Insulation - bluepass Material, recycled content
- PFAS (Per- and polyfluoroalkyl substances) Compliant
- Lining - bluepass Material, FC0 DWR, recycled content
- Contrast - FC0 DWR, recycled content
- Shell - FC0 DWR
Zippers & Fly configuration
- No Slip Zip™ front zipper
- Custom zipper pulls are glove-friendly
Materials
- Contrast: Circular Knit Fleece, 215 gsm, FC0 DWR - 93% Polyester, 7% Elastane
- Body: 20dx20d nylon ripstop, FC0 DWR, 45gsm - 100% Nylon
- Synthetic Insulation: Coreloft™ 60 (60 g/m²) - 100% Polyester
- Lining: 20D recycled dope dyed nylon ripstop, FC0 DWR, 38gsm - 100% Nylon
- Origin of fabric: JAPAN
- Origin of dyeing: JAPAN
- Origin of Manufacture: BANGLADESH
- May release plastic microfibres into the environment when washing
