Arc'teryx Atom Vest Men's

When the route demands both warmth and unrestricted movement, the Arc'teryx Atom Vest delivers the perfect balance for alpine adventures. This climbing vest combines premium Coreloft synthetic insulation across the core with flexible Octa fleece side panels, ensuring you stay warm on long ascents while maintaining full mobility for technical moves and scrambles. Unlike down insulation that fails when wet, the synthetic fill continues performing in damp mountain conditions, making it an essential piece for unpredictable alpine weather. At just 195g, this packable vest disappears in your pack until you need that crucial layer of core warmth, whether you're layering up for winter objectives or adding protection during shoulder-season climbs where conditions can change in an instant.

Features

• Coreloft™ Stretch synthetic insulation maintains warmth when wet, outperforming down in damp conditions
• Stretchy Octa® Fleece side panels provide unrestricted mobility during climbing and scrambling
• PFAS-free DWR treatment repels light precipitation while remaining environmentally responsible
• Hidden-zipper hand pockets secure essentials without compromising clean aesthetic
• Polygiene anti-odor treatment extends wear time between washes
• Packable design for easy transport in alpine environments
• Adjustable hem drawcord seals out drafts and optimizes fit
• Breathable construction prevents overheating during high-output activities