Outdoor Research Men's Ferrosi Hoodie Lightweight and Warm The Outdoor Research Ferrosi Hoodie is a lightweight, stretchy, and breathable 3-season layer built from award-winning Ferrosi fabric, ideal for active use on the 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. Features Exterior chest pocket so you can quickly access your phone, snacks, and other essentials Adjustable drawcord hem for a snugger fit Packs down small and takes up less space in your bag Sizing Size Extra Small Small Medium Large Extra Large XX-Large3X-Large Chest (in)33. 5 - 36"36 - 38. 5"38. 5 - 41. 5"41. 5 - 44. 5"44. 5 - 48"48 - 52"52 - 56"Waist (in)26. 5 - 29"29 - 31. 5"31. 5 - 34. 5"34. 5 - 37. 5"37. 5 - 41. 5"41. 5 - 45. 5"45. 5 - 50" | Outdoor Research | Men's Ferrosi Hoodie | Size Medium In Dark Olive | Nylon