Net Cube Back Pro is a Level-2 (EN 1621-2) certified back protector equipped with Zandonas exclusive Net³ Technology, an innovative structure in special anti-shock nitrile rubber with patented 3D cross-linked technology, the result of careful studies that have allowed to obtain a winning combination of shape + composition that manages to perform very well, guaranteeing a high power of absorption & distribution of impact energy, thus ensuring maximum protection. It offers an exceptional fit & a unique comfort because it perfectly supports the movements of the body. Net Cube Back Pro is only 20mm thick, weighs only 650gr (x 7 version) & is fully foldable Features Back protector certified Level-2 EN 1621-2 Net³ technology Limited weight (650gr x 7 version) limited thickness (20mm) Internal padding in EVC (Evoluted Viscoelastic Cells) Innovative water-repellent anti-shock rubber with a high performance/weight/thickness ratio SRT technology (Sweat Removing Textile), a breathable 3D fabric that transfers sweat to the outside Renew Memory Technology (RNW): technology integrated into the material which, after compression, slowly restores the original shape & condition to the product Adjustable & removable shoulder straps 100% Made in Italy Certified EN 1621-2 Sizes Netcube X6: 158-167 cm height Netcube X7: 168-177 cm height Netcube X8: 178-187 cm height S: 78-85 cm waist size L: 94-101 cm waist size