The Arc’teryx Gamma Jacket (Men’s) is a versatile softshell built for a wide range of outdoor activities where mobility, breathable weather resistance, and stretch are priorities. Positioned between minimalist windshirts and heavier insulated layers, it’s engineered for mountain travel, alpine approaches, hiking in cool conditions, and general trail use. Unlike a fully waterproof shell, this softshell prioritizes wind resistance, comfort, and breathability so you stay comfortable during dynamic movement without overheating. Constructed from a technical Fortius™ DW 2.0 fabric, the Gamma sits at a balance point in the Arc’teryx softshell lineup that blends a durable woven exterior with a knit interior that manages moisture and heat. This combination sheds wind and light precipitation while allowing vapor to escape during higher-output activity. The updated Gamma has added PFAS-free DWR treatment and thoughtful revisions such as streamlined pockets and improved fit for contemporary layering and comfort. Fit and patterning are tailored for active movement. The articulated cut supports a natural range of motion whether you’re hiking steep terrain, scrambling over rock, or navigating mixed trails. The helmet-compatible hood offers extra protection from gusty winds and drizzle when needed, yet the jacket remains light enough to pack down for shoulder-season excursions. With details like secure zip pockets and stretch cuffs, the Gamma Jacket is designed to be a do-it-all softshell for users who want balanced performance without the weight or bulk of heavier outerwear.

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