Workhorse dependability Stage II Base Dupont Zytel ST / Multizone Dupont Zytel ST Highbacks / Injected EVA Bushings / Extruded Anodized Aluminum Heelcups / Quick-Adjust Forward Lean / All-new 3D Direct-Connect Strap System / Multi-Layer Tapered Strap Core / Tool-Free Size Adjustment / Magnesium Buckles / Universal Disks / All-New Toe Cup Design / Grade 8.8 Hardware / Lifetime Warranty Base