OGIO Code Stretch Long Sleeve Button Up Bright White color_Sport Tek_ST271 armholes and waistband 1x1 rib Laptop Bags armholes and waistband 1x1 rib knit cuffs and waistband with spandex Ash (formerly Birch) 100% ring spun cotton duck canvas Nylon lining quilted to 80 gram 3M Thinsulate insulation in body 54 46 cotton poly knit pique with stay cool wicking technology (White) Mitered label Button down collar Tonal contrast stitching at front shoulders Reflective silver piping at inner neck and sleeve placket Reflective silver tape at center back neck Reflective silver tape with coverstitch detail at center back Cuffed sleeves Raised It's unmatched for elevated