Skate in style and comfort with the Roller Derby Girls' Laser 7.9 MX Quad Skates. Featuring a reinforced comfort fit boot with heel stabilizers, these skates ensure comfort and durability. The padded collar protects your ankles, and the hook-and-loop power strap ensures a secure fit. Designed for both durability and style, the skates feature 54 mm clear urethane wheels with Pro Core. Tru Trac frame.