Filson's Chambray CPO Shirt is a lightweight take on the shirt that earned it’s stripes protecting the Navy’s senior enlisted men for decades. The tough chambray fabric stands up to abuse on the job in a weight that’s comfortable year-round. Garment-washed for shrinkage control and comfort from the first day. Button-secure chest pockets, with utility/tool slot in right pocket. Side-seam gussets and pleated shoulders for ease of motion. Military-grade melamine buttons. Button-adjustable cuffs.