Royal Robbins Sambora Plaid Short Sleeve Shirt is the perfect every day wear. Its unique cotton/polyester fabric is soft, easy to take care of, and durable enough to withstand day after day of use. 60% cotton, 40% polyester. Tonal stitching details, drop-in chest pocket, bias detail at center back collar, wrinkle resistant and quick drying, straight hem with side vents. Material: Cotton, polyester.