These performance shorts by Nike are a bike short design your little pro-in-the-making will be comfy in. They are made of stretch jersey knit fabric containing majority recycled fibers and enhanced by quick-drying, moisture-wicking Dri-FIT technology to help kiddos stay cool and dry during play. Fit & Design: Tight fit for a body-hugging feel Features a wide elastic waistband that lies flat to help stay in place Stretchy, jersey knit fabric Technology: Constructed with Dri-FIT technology to help keep your superstar dry and comfortable Additional Details: Machine washable