Arc'teryx Atom
The Arc'teryx Atom collection consists of versatile insulated jackets designed for active outdoor use in changing weather conditions. Within the Arc'teryx range, the Atom series is one of the most popular insulation layers thanks to its combination of warmth, breathability, and lightweight design.
Atom jackets are ideal as a midlayer under a hardshell during cold days in the mountains, but can also be worn as a lightweight outer layer in milder weather. This makes them suitable for activities such as skiing, hiking, climbing, and traveling.
Lightweight insulation with Coreloft™
What makes Arc'teryx Atom jackets unique is the use of Coreloft™ synthetic insulation. This material offers an excellent warmth-to-weight ratio and continues to insulate even when damp. As a result, Atom jackets are highly suitable for active outdoor use and variable weather conditions.
In addition, many models are made with a durable and lightweight outer fabric, making the jacket comfortable, wind-resistant, and easy to pack into a backpack.
Key features of the Arc'teryx Atom collection include:
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Lightweight synthetic insulation with Coreloft™
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Breathable and moisture-wicking fabric
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Excellent warmth-to-weight ratio for active use
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Comfortable fit with great freedom of movement
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Ideal as a midlayer or lightweight insulated jacket
For women and men
Within the Arc'teryx Atom collection, you’ll find models for both women and men. The jackets are designed with an ergonomic fit, allowing them to be worn comfortably under a hardshell or ski jacket during winter sports.
Whether you’re looking for a warm women’s insulated jacket or a technical men’s midlayer, the Atom series delivers versatile warmth for a wide range of outdoor activities.

