Shell: woven, 94% polyester, 6% spandex; Lining: knit, 100% polyester; Insulation: fiberfill 100% polyester; Binding: knit, 90 nylon, 10% spandex ; Behind the head design; Adjustable click-to-fit frames; Fully collapsible; Water repellent quilted shell; Hi-Definition speakers; Bluetooth with Siri, Google Now activation