The Bauer Vapor X700 Shoulder Pad features an injected shoulder cap with LD foam, a sternum protected with MD foam and PE insert, a spinal with MD + PE insert, a front side and back kidney panels with LD foam, the bicep guard is a molded thermoformed component, and the arch is MD foam with a PE insert. When it comes to Fit/Mobility, you can expect a tapered overall fit, a 1-piece bicep guard and arch support, and a base body comprised of a multi-segmented design. Hydrophobic mesh Liner.