Easton Synergy 80 Junior Shoulder Pads. Because of the floating protection on a stretch base, the player can move freely at all times. Also included in the pad are adjustable cap and bicep pieces, which provide a secure and comfortable fit. The Synergy 80 pad differs from the HSX by including perforated, breathable foam rib protection to ventilate and cool down the player in place of the ARC lining. Technical description. Floating protection on a stretch base provides maximum freedom of movement without compromising protection. Fit: Adjustable cap & segmented adjustable bicep. Protection: Molded Exo-Skel sternum, spine & bicep. Foam: Lightweight E-Cell protection. Ventilation: Perforated, breathable foam rib protection