The Alkali CA9 roller hockey skate is the premier skate from Alkali Hockey. Taking what they learned from over 20+ years in the roller hockey industry, the founders of Alkali have created a pro level skate that is surely going to take your game to the next level. Featuring Alkali"s Lithium Science construction, they went with advanced EPP foam and Surlyn quarters and a carbon fiber outsole for excellent response. On the bottom is Alkali"s magnesium all 80mm chassis with Labeda Addiction wheels to make you unstoppable on the court.