The Roller Derby Women's Roller Star 750 Hightop Roller Skates are not only stylish but extremely comfortable. They are great for both indoors and outdoors, and have multi-surface wheels that are grippy and smooth for the rink, yet have rounded edges the deflect small rocks and debris when outdoors. FEATURES: Freestyle quad design Great for indoor and outdoor Cushy sneaker boot with lightweight chassis Wheels: Multi-surface Kemistry Catium Bearings: Silver-5 Speed Rated