509 Tech Flannel YCRF_bicycle_helmets High-efficiency media with uniform pleats

High-efficiency media with uniform pleats

blown-in synthetic down insulation with a DWR coating

No external ventilation required

they fit securely and conform to your body with a stretch nylon rear yoke

the double walled vacuum insulated technology helps your drinks stay hot or cold for hours

509 Tech Flannel YCRF_bicycle_helmets High-efficiency media with uniform pleatsPart shirt, part jacket, the 509 Tech Flannel doubles down by combining style and function into an everyday staple. Wrenching in the shop, chopping wood, or heading into town, this shirt is a notch above your basic flannel thanks to quilted insulation, a tech taffeta lining, and rugged Taslan shoulder panels for added weather protection. Two chest pockets (one zippered) and sideseam pockets provide a safe spot for phone, wallet, and keys. FEATURES 7