Heelys - Rocket K (White/Lt Gray/Lt Blue) - Men's: A fun and stylish lace-up shoe. Synthetic and mesh upper for durable wear. Because of this its 2 wheel configuration, this product does not use a removal tool. Cast PU smooth-ride wheels. ABEC 1 608 reinforced bearings. Patented technology. Great way to get where you're going in a hurry!