Professional style sleeveless compression shirt with HexPads™ protecting 5 locations; the ribs, spine, and shoulders. Patented lightweight breathable, athletic foam conforms to and stretches with your body for continuous protection. Compression fabric supports large muscle groups to reduce muscle pulls and fatigue. Moves with your body to prevent skin irritations, chaffing, and abrasions. Hydra Vent hDc™ Moisture Management Technology for heat control, comfort and performance.