The TronX E1.0 Inline Skate is built for all types of skaters who are looking for a high-performance comfortable and durable skate. Comfortable 8mm classic felt tongue and PU leather Tron-tech ankle padding for increased protection Outer boot consisting of durable 1.2mm PVC leather + 2.0mm PVC foam Molded comfort footbed and microfiber liner for premium comfort Injected comp weave quarter package for a flexible fit TronX Evolution Speed outdoor 82A wheels for improved striding and durability Hi-Lo aluminum 6000 CNC frame chassis for overall control with copper rivets 1,180 grams in weight (based on size 9 skate) TronX carbon ABEC-7 pre-lubed speed bearings Sizes 6-7 Hi-Lo setup (2) 72mm wheels in front and (2) 76mm wheels in back Sizes 7.5-13 Hi-Lo setup (2) 76mm wheels in front and (2) 80mm wheels in back Shop Thoughts: Fairly basic skate, the frame is a solid one piece, which is pretty good value at this price point. Boot is a simple plastic beginner level shell. Limited sizes, but contact us if you need another size and we can look at ordering in.