The sleeves must be constructed entirely of a single ply of neoprene, or predominantly of a single ply of neoprene
plus a non-supportive single layer of fabric over the neoprene. There may be stitched seams of the fabric and/or of
the fabric onto the neoprene. The entire construction of the sleeves may not be such as to provide any appreciable
support or rebound to the lifter’s knees;