NEENCA Kids Knee Brace Sleeve, Youth Knee Compression Sleeve for Children - Boys & Girls. Child Knee Support with Patella Gel Pad & Side Stabilizers for Knee Pain, Sports, Outdoor - FSA/HSA Approved Large Blue - Single INCOMPLETE is up for auction in Sports & Outdoors. The current bid is $2.00, 92% below the $23.68 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.