... mm neoprene and net 3. OEM Features: Description: Magnetic knee pad.Material: Neoprene, Nylon, Elastic, MagnetSize: S,M,LFeature & ... Back Support gives basic support, protection, and pain relief for all athletic activities. The thermal neoprene support provides therapeutic ... heat retention, and the elastic side pulls allow for a snug fit. Hot sale blue customized neoprene knee pad for sports