As versatile as it gets, the 509 Forge Jacket Shell focuses on the fundamentals of weatherproofing and wear-ability. Fully seam-sealed 5TECH™ 150D fabric with 10k/10k waterproof/breathability stops any storm in its tracks. Details like water-resistant zips, a cinchable hood, and gaiters at the wrists and waist keep you covered on all fronts. Its versatile uninsulated design gives you the freedom to add 509 mid and base layers underneath on colder days.