The-Bionic-Air-Back-Protector-is-to-the-latest-back-protector-standard-enabling-the-development-of-an-ergonomic-compact-protector-that-focuses-protective-coverage-around-the-central-back-Utilizing-Alpinestars-8217-exclusive-Dual-Density-Honeycomb-technology-the-Bionic-Air-offers-riders-a-supremely-lightweight-protector-that-closely-conforms-to-the-body-for-unrivalled-levels-of-riding-comfort-Ueberschrift-Level-1-to-the-LATEST-back-protector-standard-pr EN1621-8208-2-2010-allowing-a-slimmer-more-ergonomic-design-Innovative-Dual-Density-Honeycomb-Technology-DDH-combines-two-different-honeycomb-structures-to-offer-lightweight-impact-protection-with-exceptional-breathability-&-comfort-Outer-Honeycomb-plate-8208-Made-of-Polypropylene-provides-an-outer-structure-to-protect-the-back-from-penetrating-injuries-as-well-as-dissipating-impact-force-over-a-wider-area-Inner-Honeycomb-foam-8208-Made-from-a-special-elastomeric-compound-this-light-&-flexible-impact-foam-absorbs-transferred-energy-The-Bionic-Air-Back-Protector-has-been-tested-to-offer-superior-impact-protection-over-a-wide-range-of-ambient-temperatures-Ergonomic-protection-plates-contour-to-the-natural-curve-of-the-back-ensuring-optimum-fit-&-comfort-while-riding-Protection-plates-have-special-lateral-8220-wings-8221-that-flex-to-fit-to-the-movement-of-the-shoulder-blades-&-wrap-around-the-kidneys-when-in-the-riding-position-Adjustable-elastic-shoulder-straps-Wide-waist-featuring-a-dual-Velcro-closure-system