Our Zen Hollow Convertible Sleeve Shirt gives you rugged style in soft, pebble-washed 100% cotton. Button-up front has a spread collar and patch pocket with button-through flap at the wearer?s left chest. Sleeves convert and secure in place via button-through rollup tabs and have single-button cuffs. A center back box pleat and gusseted side-seam vents ensure ease of movement. This shirt comes in our modern fit, a trimmer fit with minimal excess fabric.