NA5003S Nils Extreme inline skates are designed for intermediate and advanced users for recreational skating. Its attractive look is an effect not only of an interesting design but above all the use of very high quality materials. Light and durable boot ensures safety while skating. Boots ventilation system as well as profiled liner made of semi permeable membrane have great influence on increasing usage comfort. The inline skate has 84 mm wheels, that allow to reach high speeds. On the other hand, ABEC 9 CHROME bearings, provide high traction quality. This model is also equipped with a special, monolithium, aluminum chassis and high quality double-sectioned, aluminum buckle.