Sp Vapor X 2.9 Sr Low profile molded caps ; X-Lite Shield Sternum ; Perforated comfort Flexcell foam with comfort edge front side panel ; Integrated MD Foam + PE insert in spine area ; Perforated compfort Flexcell foam back side panel ; Lightweight HD foam insert in the arch ; Adjustable MD Foam + molded PE insert in bicep protection ; Sublimated Thermo Max Liner