Upper : Black light leather Shell : Carbon Cuff : Carbon Liner : compressed cloud 4 mil and memory foam 13 mil Frame  : Aluminum 6061 Frame thickness: 3.7mm Buckle : high quality nylon–pc and Cast iron Wheels : PU-85A-XFIRM 72mm Number of wheels : 6 Bearings : ILQ9 Pro Included items : Allen wrench + band + FM T-shirt (gift)