Boeri Scrapper Helmet The Boeri Scrapper was developed with young rippers in mind. Outfitted with Boeri's MPS customized fitting system, removable ear pieces and free flow venting. Scrapper offers the freedom of a short shell feel yet the maximum in protection. When Boeri heard that their dealers needed to offer a short shell option to juniors, they listened and delivered! Features: Short Shell Protection Removable Ear Flaps MPS custom fitting feature Weight: 17 oz XS fits 18.9 to 19.3 inches 48-49.2 cm Small fits 19.7 to 20.1 inches 50.03-51.05 cm Medium fits 20.5 to 20.9 inches 52.07-53.08 cm Large fits 21.2 to 21.65 inches 53.84-54.99 cm XLarge fits 22 to 22.4 inches 55.88-56.89 cm