Before Sunrise Blue Cardio ShortBecause, they can't all be pool days. The Cardio Short is perfect for those ready to rise and grind. It's all about balance a little nod to nostalgic Prefontaine era running shorts and throw back "C" patch, updated with so hot right now visible liners. This true athletic short makes no compromises on style or function. Our Favorite Details: Elastic waistband Stretch Pockets Lined Material: 88% Nylon, 12% Spandex (outer), 87% Nylon, 13% Spandex (inner)