Super-packable and ultralightweight, the Filament from Outdoor Research is a never-leave-it-behind pullover for layered or stand-alone warmth. Useful as a fall belay jacket, insulation under a ski jacket, or dog-walking chill chaser, the Filament holds the heat with 800-fill goose down.

This product will be shipped directly from Outdoor Research and will leave their warehouse in 2-3 business days. Eligible for UPS ground shipping only.

• Ultralightweight 10D Pertex Quantum shell fabric with DWR (durable water repellent) finish sheds moisture, resists abrasion, and packs small
• 800+ fill down insulation has an incredible warmth to weight ratio
• 22D nylon ripstop nylon lining
• Zippered Napoleon pocket
• Drawcord hem
• 1/2-length front zipper for ventilation
• Chest pocket doubles as stuff sack
• Stretch binding at cuffs
• Trim fit: close-cut that moves with the wearer