In the development of VST over the years, engineers have found that it is the sole slot that has the most impact on ball speeds * The multi-material design of the SUPER LS Hybrid creates a high-performance technological marvel in the golf industry * The Idea SUPER S Irons feature a 20% thinner face for increased ball speed * The Idea SUPER LS Hybrid features a matte white crown to make the clubhead look larger, and a contrasting PVD face for ease of alignment