The MT500 D3O Ghost Elbow Pad offers fully certified protection and is very lightweight. It provides a super light wearing experience and is perfect for all-day tours. D3O uses patented, copyright-protected technology to create soft, flexible materials with high impact protection. The core of D3O technology consists of non-Newtonian materials specifically designed for impact protection. These materials reduce energy upon impact and lessen the transmitted force before returning to their original state. A next-level protection offering.