BACK TO THE FUTURE "CLAYTON RAVINE" KUNUFLEX Short Sleeve Shirt From RSVLTS site: Material: Made from our KUNUFLEX™ four-way stretch material. It's lighter, softer, and the fit is so damn nice. We won't blame you if you never take it off. Patterns: All of our shirts are unique, which means the exact pattern locations may differ slightly from what's seen in the photo. That's called one-of-a-kind. Colors: We do our best to show you an exact representation, but as everyone views on a different device, it's possible that the colors of the product may differ slightly from what's seen on your screen. Care: Machine wash cold, tumble dry low.