I bought this from the official store this summer for mountain climbing, but I ended up hardly wearing it, so I'm selling it. I've worn it outside twice. ARC'TERYX Gamma Lightweight Hoody Men's [X000007741] A lightweight softshell that is wind-resistant and breathable. This is a versatile piece for various mountain activities, such as hiking. The Gamma Lightweight Hoody is designed for various terrains, conditions, and activities on warm days. As the lightest model in the Gamma Hoody series, this softshell is a must-have for anyone who wants to enjoy the outdoors for as long as possible. Made with wind-resistant and water-repellent recycled nylon Fortius 1.0 softshell, it offers excellent stretch and breathability, and also provides UPF 50+ sun protection. The quickly adjustable StormHood provides full head coverage. The regular fit features a pattern designed for ease of movement. SIZE CHART - SIZE - Length / Shoulder Width / Body Width / Sleeve Length ・M - 73 / 51 / 58 / 66