Gamma Jacket Men's is a weather-resistant shell jacket designed for climbing, trail and rock activities, helping block wind and light moisture while maintaining breathability during movement. Product Type: Men's weather-resistant shell jacket. Material: Softshell. Wind-resistant and water-repellent for changing conditions on the move. High-stretch fabric with articulated patterning for overhead reach and mobility. Two zippered chest pockets for accessible storage. Pair it with mens hiking pants and a beanie for hiking and mountain days. Hiking, climbing, or skinning uphill—the Gamma Jacket keeps you moving through rugged terrain. Wind-resistant and water-repellent, it shields from the elements while maintaining max breathability on that final summit push. High-stretch material and articulated patterning make overhead movements a breeze, while durable face fabric stands up to rough scrambles. What's been updated: Updated with increased recycled content and a FC0 DWR (Durable Water Repellent) treatment that’s free from intentionally added PFAS. Two zippered chest pockets provide added storage, while revised design lines create a more streamlined fit.