Made of thick, breathable cotton flannel, Filson's vintage flannel shirt is ideal for the cold season. The fabric is heavily brushed to ensure exceptional softness and heat retention. The double pleats on the back yoke shoulders offer an unlimited range of movement for working overhead, casting a fly rod or slinging a rifle. Virtually indestructible buttons have been used for the front closure and adjustable cuffs to ensure long-lasting service. - Closure with military-grade melamine buttons - Adjustable button cuffs - Chest pockets with button fastening DESIGNER ID: FMCAM0015 W0301 622Composition: 100% Cotton