The NH11912 Nils Extreme 2-in-1 adjustable inline skates (R 31-34) are skates designed for skating enthusiasts. They offer two configuration options: ice skates and inline skates. Why choose the NH11912 Nils Extreme? Because they allow you to fully enjoy the benefits of both figure skating and inline skating. The NH11912 Nils Extreme are characterized by excellent skating properties. This is thanks to the high-quality stainless steel blades and the multi-grip closure system, consisting of a Velcro strap, buckle, and laces, which securely hold your feet. All this makes this model suitable for all conditions, providing a unique skating experience. These comfortable hockey skates are designed for beginners and intermediate users. Their high quality guarantees durability and resistance to mechanical damage. The NH11912 inline skates are pure skating joy. The inline skate is equipped with a special aluminum frame and brake, ensuring safety while skating. The wheels and ABEC9 bearings reduce rolling resistance, meaning a faster ride. Specifications: Boot: semi-soft, ventilated. Shell: PP. Material: MESH, VELVET, high-density foam. Inner boot length (mm): 180 - 205. Breathable membrane. Fastener: two-section buckle, Velcro strap, lacing. Skate frame: high-quality stainless steel. Skate frame: aluminum. Wheels: PU 64mm/82A (S 31-34). PU 72mm/82A (M 35-38). PU 76mm/82A (L 39-42). Bearings: ABEC 9. Size adjustment button. Notes: Not intended for commercial use. Compliant with PN-EN 13843:2009. 24-month warranty.