Boulder Stretch Down Jacket. The Boulder Stretch Down Jacket is a highly-compressible full-zip men's jacket with responsibly-sourced down and stretch fabric purposely-designed for daily adventure. With durable construction, a water-repellent finish and windproof fabrics, this jacket includes a cinch-cord hem and stand-up collar for maximum warmth and custom fit. Front chest and zipper pockets add secure storage. 700-fill-power down Traceable ALLIED Feather responsibly sourced down with ExpeDRY technology for water-resistant down. Engineered seamless down baffles eliminates stitching to maximize insulating performance with trapping heat inside the baffles and reducing overall weight, no stitching increases durability with no stitching to snag. Stretch-woven fabric delivers durable stretch for freedom of movement. PFC-Free DWR (Durable Water Repellent) finish repels light rain and snow. Windproof fabric.