PRO SHAPE BACK G1 BACK PROTECTOR DAINESE Dainese G1 back protector with Pro-Shape technology, ultra light and thin, certified according to the EN1621.1 Level 1 standard. Thanks to its structure, ventilated for 30% of the covered area, the G1 motorcycle back protector is the perfect mix of safety, comfort, flexibility and freshness. SIZE GUIDE: PRO-SHAPE BACK G1 HEIGHT <165 PRO-SHAPE BACK G2 HEIGHT 170-185.