Poc spine vpd air vestpocs spine vpd air vest is a lightweight and ventilated 3 layer back protector and conforms to level 1 1621 2 standards the vest is made of a lightweight flexible mesh offering exceptional breathability due to the materials used the vest has a low profile and the optional waist strap provides more customisation to the fit featureslightweight and ventilated back protectorremovable elastic waistbanddurable and highly breathable mesh fabricen1621 2 level 1 certified back