LIGHTWEIGHT SUPPORT THAT'S PRIMED TO PERFORM. Much more than a base layer, the Nike Pro Bike Shorts hug you with lightweight fabric that helps keep you feeling dry, cool and supported from warm-ups through cooldowns. They're made with at least 75% recycled polyester fibers in a stretchy design that helps you move at full intensity during your toughest workouts or competitions. Customize with your team's colors for a coordinated look.