Black Diamond Project Lined Flannel - Men's Iron Red/Black Medium. Constructed with a brushed organic cotton outer layer and a cozy recycled polyester sherpa fleece lining this is the most insulated flannel in the line. Nylon lining in the sleeves and a boxy fit makes it easy to wear with other bulky layers. Additional features include easy to operate snap closure and a single front chest pocket. Specifications for Black Diamond Project Lined Flannel - Men's: Manufacturer: Black Diamond Age Group: Adults Apparel Fit: Regular Gender: Male Application: Outdoor Weight: 1138 g Fabric/Material: Cotton/Polyester Features of Black Diamond Project Lined Flannel - Men's Organic cotton content Recycled polyester lined body Nylon-lined sleeves Snap closure Single chest pocket Roomy slightly boxy fit Package Contents: Black Diamond Project Lined Flannel - Men's Black Diamond AP7440659633MED1: Project Lined Flannel - Men's Iron Red/Black Medium