NA1123 Nils Extreme is a model of roller skates designed for beginners and intermediate skaters. Lightweight and durable boot ensures safety of skating. The model is equipped with a four-stage size adjustment making adjusting the size of the boot to a user's foot quick and easy. They combine an interesting design and very high quality materials. Applied boot ventilation system and a shaped insole with a breathable membrane enhance a user's comfort directly. The skate is equipped with a special aluminum skid. In turn, ABEC 7 class bearings produce less rolling resistance, which translates into a faster skating. A brake ensures safety. Specification: Skid: aluminum Bearings: ABEC 7 Boot: semi-soft, ventilated Wheels: PU 64 mm/82 A (size S) PU 70 mm/82 A (size M) PU 72 mm/82 A (size L) Insole: Breathable membrane Material: Eva velvet High density 10 mm foam Inner shoe length (mm): 205-220 Snap: Two-section snap fastener Velcro strap Lacing The roller skate is equipped with a brake Remarks: Not for commercial use Certifications, standards: CE 24 months warranty