Tailgaters Shorts by Johnnie-OCotton Twill Shorts Shell: 98% Cotton 2% Spandex Flannel Lining: 60% Cotton 40% Polyester Bottle Opener included, sewn into the leg lining Flat Front Machine Wash Benefits: Because we know it's sometimes too early to break out the shorts, but you can't help yourself. Or perhaps it's a Fall tailgate and you want to wear shorts on game day. But we also know it's going to be cold once the sun goes down. It has a bottle opener built in!