Upgrade-back-protector-with-Velcro-pads-Features-3D-Protector-from-visco-elastic-soft-foam-with-excellent-shock-absorption-values-Residual-force-according-to-EN1621-2-under-8-k N-limit-Level-2-9-k N-Anatomically-perfectly-adapted-&-barely-oticeable-High-end-engineering-for-greater-safety