These Minnesota Vikings Colorblock Double - Down Training Shorts with Liner are perfect for fans of the Vikings who love to work out. Wear them at the gym, on a jog, or during team training sessions. They're made of polyester and are officially licensed. There isn't specific size or weight info provided, but they're designed to be comfortable with an adjustable drawstring and elastic waistband, and a 2 - in - 1 white lining for a great fit.