• Shoe Lasts
• EAS
• Custom Ride Management

Upper Technology
• Archlock
• Airmesh Upper

Midsole Technology
• EVA and PU midsoles
• ProGrid
• Rearfoot Grid
• FleXion Plate
• Ionic Cushioning System
• 3D Grid
• i Grid
• Active Grid
• High Rebound Compound
• Super Rebound Compound
• HRC Strobel Board
• Impulse EVA
• Dual and Triple density
• Stability Guide
• Midfoot Bridge

Outsole Technology
• Outsole Fabrics - b/cR, XT600, XT900, XT1200, XT-Lite

A lattice of EVA pillars working just as standard grid does to dissipate shock and cushion impact. I-Grid is a super-lightweight cushioning system used in our lightest racing shoes.