Arc'teryx Men's Atom Jacket

Our most versatile Coreloft™-insulated jacket balances warmth and breathability. Designed to excel as a midlayer or a standalone jacket, it performs across a wide range of conditions and output levels. Lightweight and easily packable, it's an essential piece for trail and thru-hiking adventures.

Key Features

Lightweight Insulation: 60gsm Coreloft™ Compact insulation is warm, highly breathable, and retains its loft without packing out—performing even if damp.

Wind Protection & Breathability: Tyono™ 20 face fabric balances weather resistance with air permeability.

Thermal Comfort: Breathable 20D recycled nylon liner helps regulate temperature while staying soft next to the skin.

Mobility & Fit: Performance stretch fleece side panels offer extra ventilation and freedom of movement.

Weather Resistance: FC0 DWR (Durable Water Repellent) finish repels moisture without harmful PFAS chemicals.

Smart Storage: Includes zippered hand pockets and an internal zippered chest pocket for small essentials, equipped with custom TPU zipper pulls for easy use with gloves.

Draft Protection: Features a No Slip Zip™ main zipper, stretch knit cuffs that fit under outer layers, and dual hem adjusters to seal out cold drafts.

Specifications

Category: Men's Insulated Jacket

Fit: Fitted with articulated patterning | Center Back Length: 72 cm

Weight: 335 g (Size Medium)

Primary Activity: Trail / Thru-Hike