K2 Softboot ?, the original, delivers unmatched comfort with the best fit on the market * UFS compatible frames are designed specifically for aggressive skating, think street and vert. * This cuff is designed to be extra durable to handle the worst of beatings while maintaining the perfect amount of support and flex for park and street skating * 55mm 88a wheels, Max wheel size 55mm. ABEC 5 bearings * Beefy upper is designed to take the hardest of beatings