98% Textile, 2% Synthetic. Open Engineered Mesh Construction For Breathability And Support. Reinforced Speedframe Construction For Durability. Midfoot Cage Construction For Stability And Lockdown. Oversized Eva Midsole For Lightweight Cushioning. Cmeva Foam Midsole Absorbs Impact And Offers Stable Footing. Wider Platform Provides A More Stable Base. Vibram® Megagrip Hi-Traction Outsole With 5Mm Lugs.