POC Spine VPD Air Vest Lightweight and ventilated 3 layer back protector

VPD, or visco-elastic polymer dough, is soft and moves with the body up to the point of impact, where it hardens as it absorbs and dissipates impact energy. Then it returns to its former state so you can carry on Due to the materials used the protector has a low profile and the optional waist strap provides further fit personalization