GOTHAM, a brand from Triple Eight, a long-established protector brand in NY, with an urban sensibility. Size: L/XL (59cm-61cm) around the forehead Dial-type stepless size adjustment Safety certifications: U.S. CPSC Bike ASTM F-1492 Skate ※ASTM (America Society for Testing and Materials) is the world's largest private, non-profit international standardization and standards setting organization. It sets and issues the ASTM industrial standards. Standards and test methods (metal testing, general testing, etc.) are established for industrial materials (iron and steel, non-ferrous metals, rubber, plastics, paints, textiles, etc.) in general. It is internationally authoritative and used worldwide. It is equivalent to Japan's JIS. ※CPSC (the U.S. Consumer Product Safety Commission) is an independent government agency with legal authority, established under the U.S. Consumer Product Safety Act of the United States of America, reporting directly to the President. It creates various guidelines and certifies safety standards and specifications, mainly for home appliances, personal/home computers, and children's products.