NA9022 Nils Extreme is a model of roller skates designed for intermediate and advanced skaters, for recreational skating. They combine an interesting design and very high quality materials. Lightweight and durable boot ensures safety of skating. Applied boot ventilation system and a soft EVA material insole enhance a user’s comfort directly. The roller skate is equipped with 80mm wheels enabling it to achieve a high speed. In turn, high traction is ensured by ABEC9 bearings. This model is also equipped with a special monolith aluminum blade and two section buckle.