The Comp Suit is an ultra-lightweight, breathable ballistic jersey that provides full upper body front and back protection for all-day comfort. The new protective chest plate offers enhanced ventilation. Flow Vents: Exterior venting provides additional air circulation. Race Collar Compatible: This product is strategically designed to fit all EVS race collars and most neck braces. Integrated loop straps ensures any EVS race collar stays in place during use. Impact Shield: An exterior of high-impact tested polymer provides optimum protection against debris and collisions. Other Features: Side zip design allows for full roost protection. Hard plastic chest, back, arm and shoulder protection. Full torso and elbow protection. Full articulating spine protection that moves with you.