01 Stage II Base— Lifetime Warranty 02 Dupont™ Zytel® ST 03 Asym/Symmetrical Highbacks 04 Injected EVA Bushings 05 Extruded Anodized Aluminum Heelcups 06 Quick-Adjust Forward Lean 07 All New Direct-Connect Strap System 08 3D Multi-Layer Tapered Strap Core 09 Recycled Materials 10 Tool-Free Strap Adjustment 11 All New Magnesium Buckles + Aluminum Cage 12 All New Open Toe Straps 13 Grade 8.8 Hardware 14 Lifetime Warranty Base Med/Lrg - Men's 6-10 Lrg/X-lrg - Men's 9.5-14