Arc'teryx Atom Vest - Men's Size:Small This style features ultra lightweight

This style features ultra lightweight channel fill construction paired with lightweight fabrics and trims for weightless warmth and effortless movement

GORE-TEX two-layer construction

Crafted from a breathable cotton-linen blend

Not recommended for use on suede or nubuck

Snapped side vents

Arc'teryx Atom Vest - Men's Size:Small This style features ultra lightweightUtilizing advanced insulation and material technologies, the versatile Arc'teryx Atom Vest Men's excels in various seasons, landscapes, and activities. Its Coreloft Compact synthetic insulation provides warmth even when wet and endures years of use, while the Tyono 20 shell offers wind and light weather resistance. Ventilation and mobility are enhanced by the stretch fleece side panels, and the vest conveniently packs into its own pocket for easy