Bauer Vapor X Matrix Senior Shoulder Pads. The Bauer Vapor line offers ultimate mobility with a very lightweight design. A tapered fit starts wider at the top and narrows through the body for a secure and snug fit. Sternum protection provided by HD Foam & AEROLITE Technology. Spine: HD Foam & PE Insert. Shoulder cups: AEROLITE Technology. Bicep protection: AEROLITE Technology & MD Foam. Clavicle: HD Foam. Abdominal protection is removable.