reactor: for maximum protection and comfort. the amplifi reactor waistcoat back protector offers you a very high level of protection and comfort. the integrated exoflex protector made of special pu foam is ultra-light, breathable, ergonomically shaped and acts as a shock absorber. the interlocking triangular pattern design makes it extremely flexible so that natural movements are possible, the protector always fits tightly, and the spine is thus optimally protected.the protector is made of viscoelastic foam. after external forces, the protector returns to its original shape quickly. an adapted and spontaneous damping behaviour ensures that the protector adapts to the type of load.the reactor keeps you protected and safe in every situation.