Gear up your little one for a lifetime of biking with the G-Form Youth Pro X3 Bike Liner. Our Pro-X3 Kids Padded Bike Shorts are designed with the next generation of riders in mind, from beginners to advanced riders and anyone in between. G-Form's industry leading SmartFlex™ protection is flexible as you ride, yet hardens on impact in the event of a crash. And SmartFlex pads are fully waterproof, so machine wash them as needed. Make sure your child is safe and comfortable while biking with our Youth Pro X3 Bike Liner.