The Men’s Arc’teryx Atom SL Hoody is an ultra-lightweight, breathable insulation layer designed for high-output activity in cool conditions. Featuring Coreloft™ Compact insulation in key areas and air-permeable fleece side panels, it delivers light warmth without sacrificing ventilation or mobility. The Tyono™ 20 shell fabric offers wind resistance and durability, while the low-profile, adjustable hood adds versatile protection. Ideal for hiking, climbing, and summer alpine missions, the Atom SL Hoody is a minimalist layer built for dynamic movement in changing mountain weather. Materials | 100% Polyester Fit | Regular Features | Moisture-Resistant | Breathable | Lightweight | Wind Resistant | PFAS-Free
