The Spine VPD System Comp back vest is a specialized back protector for ski racers or skiers who want the ultimate back protection. Based on Poc's patented VPD technology (Visco-elastic Polymer Dough), which adapts to body heat, the molded back protector is extremely flexible and meets the highest Level 2 (1621 2) certification. The fabric uses monofilament threads and a Kevlar-reinforced barrier to achieve resistance and anti-penetration around the spine, providing maximum abrasion resistance. The design also offers an extremely versatile protector with exceptional ventilation channels and flexibility, ensuring that the vest is very comfortable to wear all day long. The protector has been developed with a racing design and offers a low profile due to seamless bonding technology and the minimization of all additional materials.