The Dainese Wave G2 Back protector is certified to EN 1621.2/2003 Standard (Lev. 1) and is a lumbar protector compatible with Dainese jackets prepared for the same (plus other brands) The Dainese Wave features an inner core in Nidaplast extruded Polipropylene, temperature adjustment with external perforated pads, liner in double jersey and external polypropylene plates with perforated and corrugated structure.