Fit: HyperSkin Fit hugs the body with floating protection Torso: E-Cell HD on a stretch mesh base allow for full range of motion and breathability with floating Arch Frame protection Caps: Molded lightweight foam with Helix 10, E-Cell HD inserts Sternum: Molded HD foam Spine: MDP System Bicep: Adjustable 2-piece biceps with molded Hex Membrane Lining: Bio-Dri moisture wicking with anti-microbial treatment Easton Synergy GX Youth Hockey Shoulder Pads, Small MS1391739 MS1391739 885002534384