Arc’teryx Men’s Lightweight Insulated Vest for Hiking & Running

The Atom Vest from our renowned Atom Series redefines lightweight warmth and all-season versatility for outdoor adventurers. Engineered as both a standalone layer and a reliable midlayer, this synthetic insulated vest combines cutting-edge technology with practical design to excel in diverse conditions—from brisk mornings to active treks. Coreloft™ Compact insulation at its core ensures consistent warmth even when damp while resisting compression over years of use, making it ideal for frequent packers and travelers. A durable Tyono™ 20 shell shields against wind and light rain while maintaining breathability to prevent overheating during exertion. Strategically placed stretch fleece side panels enhance mobility and airflow, keeping you comfortable during hikes or backpacking trips. Designed for effortless portability, the vest compresses into its own zip pocket—perfect for stuffing into a backpack or luggage without bulk. Weighing just 230g (8.1 oz), its fitted silhouette balances snug warmth with unrestricted movement, whether you’re scaling peaks or navigating urban trails. Perfect for all-round activities like hiking, skiing, or casual exploration, this vest adapts seamlessly to your adventures while delivering long-lasting performance you can trust.