The new Evolution boot is a collaboration between jam skaters, speed skaters, and derby players. The evolution features a 4mm heel step, a tighter heel box, and is made from a top grain leather. But Vanilla did not stop there...the perimeter of the boot is protected with scuff resistant suede. Top Grain Leather Quilted liner Stitched Leather Sole D/B last PLATES: Vanilla GorillaWheels: Vanilla Uprock Wheels (Blue 92a, Pink 92a, Red 95a or Black 95a)BEARINGS: Reaction ABEC 9