The Union Contact Pro Gigi tested Ruf approved. Designed by Gigi Ruf Carbon Injected Contact Base Dupont Zytel ST Contact Pro Dupont Zytel ST Highback Triple Zone Injected EVA Bushings Shift-on-the-Fly Forward Lean CNC Machined Heelcups Injected Magnesium Buckles Tool-Free Size Adjustment All-new 3D Direct-Connect Strap System Multi-Layer Tapered Strap Core Universal Disks All-New Toe Cup Design Grade 8.8 Hardware Lifetime Warranty Base.