ZAMST ZK-PROTECT Knee Supporter Size M Set of 2 These are in relatively good condition, as they have only been tried on. These knee supporters are from ZAMST, a brand used by volleyball player Yuji Nishida. They are a hard support type, so they provide firm support. Size M (suitable for thighs 40-44cm). The photos show everything included, so please check the contents and understand (assuming some minor aging from storage) before purchasing. These are only sold as a set and not individually.