Atom Vest Men's

Light, Versatile Core Insulation.

The Arc’teryx Atom Vest is a lightweight, insulated layer designed for core warmth and mobility. Coreloft™ Compact insulation retains heat even when wet, while the durable Tyono™ 20 shell balances breathability and wind resistance. Stretch side panels enhance fit and freedom of movement, making it a versatile midlayer or standalone piece for alpine pursuits and everyday wear.