Dainese Jacket Wave W-T Pro Features Back protector certified to EN 1621.2/2003 Standard (Lev. 2) Composite protectors certified to EN 1621.1/97 Standard Chest protector in compliance with pre-Standard Pr-EN 1621.3/10 level 2 Jointed shoulder-upper arm protector Jointed elbow-forearm protector External back protector plates in polypropylene with corrugated perforated structure Core in aluminium Honeycomb frame Lateral rib protection plates in Astronmemory and extruded polypropylene sandwich Front plate in polypropylene Back protector with lumbar joint Lumbar band with double adjustment strap Front plate-lumbar support fastening Front plate in ergonomic shape Side flexible plates Adjustable strap Forearm adjustment Liner in thermoformed polyethylene foam Coarse-mesh elasticated Lycra protective bodice External perforated pads Liner inside back in polyester mesh fabric Liner in double jersey PCT Patent Pending This safety jacket is offered in 3 different torso lengths, and 5 different chest sizes, to allow for proper fit. Type 1 is the shortest length, Type 2 is the average length, and Type 3 is the longest length. Length refers to torso length, not overall height. Chest sizing is S-XXL.