Lightweight, Breathable, 3-Season Versatility for Trail, Training, and Travel The Ferrosi Hoodie is a lightweight, stretchy, and breathable 3-season layer built from our award-winning Ferrosi fabric, ideal for active use on trail, whether backpacking, day hiking, or approaching the next boulder project. Crafted from a bluesign approved nylon blend, the water and wind-resistant Ferrosi Hoodie delivers maximum breathability and movement-mirroring stretch with an almost weightless fit and feel. Its streamlined design features an adjustable and stowable hood, an adjustable drawcord hem, and stretchy, secure wrist cuffs. Zip chest and hand pockets keep essentials secure and close by, and the left-hand pocket doubles as a stuff sack for easy stowage and packability. Designed for maximum lightweight versatility and comfort for almost any 3-season outdoor activity, the Ferrosi Hoodie is the stretchy, breathable layer that should have a place in every pack.