Who says a kids knee brace sleeve cant be fun? The DonJoy Advantage Patella Knee Sleeve Featuring Marvel delivers two unique Marvel designs for your youth athlete while helping to alleviate kids knee pain associated with tendonitis knee strain or patella issues. Featuring 4mm neoprene and a mesh popliteal the Patella Knee Sleeve helps provide a comfortable fit and compression. The calf expansion panel aids flexibility which helps create better comfort in on-field movement. Easy to apply the Patella Knee Sleeve Featuring Marvel with an open patella slides up over the knee and is simple to adjust. Choose the Spider-Man or Captain America design.