Outdoor Research Helium Down Jacket - Men's Black Medium. Outdoor Research gear is guaranteed to perform throughout the lifetime of the product. Specifications for Outdoor Research Helium Down Jacket - Men's: Manufacturer: Outdoor Research Sleeve Length: Long Sleeve Center Back Length: 28.5 in Gender: Male Age Group: Adults Lining Material: Nylon 20D Ripstop Features of Outdoor Research Helium Down Jacket - Men's Water Resistant Wind Resistant Durable Lightweight Hybrid Mapped Construction Single Separating Center Front Zipper External Chest Pocket Brushed Tricot Hand Pockets Dual Internal Stash Pockets Left Hand Pocket Doubles as Stuff Sack Carabiner Loop with Key Clip Clean Finish Elastic Drawcord Hem Low-Pro Binding No-Snag Webbing Behind Center Front Zipper Updated shoulder and collar Package Contents: Outdoor Research Helium Down Jacket - Men's Outdoor Research 3220950001007: Helium Down Jacket - Men's Black Medium