The H Bar B Tech is the technical member of our H Bar B family. Its lightweight stretch nylon-poly fabric, vented rear yoke and pearl snaps give you an advantage over the elements without making you look like you set out to conquer the world when you&&';;re just taking care of everyday business. Other features include our signature sunglass cleaning microfiber at the right hem and a hidden zipper pocket at the lower right seam. Sizing Tip: This color runs small. Size up for the best fit. Quick drying 52% nylon, 48% polyester Lightweight with engineered stretch UPF 35 sun protection Sunglass cleaning microfiber at hem Hidden zipper pocket at lower right side seam Vented back yoke Wrinkle resistant Regular fit