■ Overview KOMINE SK-831 Ergonomic Air CE2 Chest Guard Multi ■ Condition ・ Purchased new from Amazon two years ago. ・ Used for weekend touring for about a year (approx. 5,000 km). ・ Since then, I haven't ridden a motorcycle and have stored it at home (no pets, no smoking). ・ Selling to organize my belongings. ・ I don't think there are any noticeable scratches or stains due to the material. ■ Product Introduction (from the webike website) A derivative model that allows the K-830 to be attached to jackets from other companies. Compatible with jackets that attach chest protectors with snap buttons. CE standard EN1621-3 Level 2: Protector that meets the CE standard EN1621-3 (Level 2) for chest protectors ■ Other ・ I felt very secure because it's a Komine protector and CE2 certified. ・ I used it by attaching it to a TAICHI jacket using the snap buttons.