K2 Sports Men's F.I.T. 80 Fitness Inline Skates K2 Softboot , the original, delivers unmatched comfort with the best fit on the market A Die Cast Aluminum frame designed as the best of both worlds: A medium frame length that is both maneuverable and stable at speed. This rigid construction gives the skater better power transfer and better feel of the terrain. NEW Stability Plus cuff that is lightweight, offering maximum support while remaining super lightweight and sculpted for speed and comfort 80mm/80A wheels and ABEC 5 bearings for a smooth roll, stability, control and manouverability Everyone knows how traditional lacing works and it's a proven winner. With traditional lacing, you can manipulate the laces to get pressure where you want.