... grade spec for boys and girls 1.Best adjustable Skate Shoes, with high grade spec for boys and girls. 2.Material ... :Vamp: thicken sanwich mesh, semi soft boot, stitching with plastic part;Chassis: aluminumWheels: PU casted, 64x24mm, 70x24mm ... in color box. 6.Key Features:Good ventilation of the boot. back easy-adjusting system, very convenient in size changing.