The Texas Standard Whataburger Grey Libre Guayabera features the classic elements of a hidden button-down collar, double-breasted pockets, and custom Whataburger embroidery; and introduces functional features including a hidden zipper pocket on the chest and mesh-lined venting on the back. The breathable, moisture-wicking fabric offers UPF 40 sun protection to keep you feeling cool and looking even better whether you're dining in for a #1 or grabbing Whataburger while on the go!