- Exceptionally close fit thanks to light and breathable surface material
- Tread sole: TPR
- Inner material: Polyurethane inner sole, fabric-covered, TPU/PU intermediate sole
- Surface material: High-grade Air Mesh, PU and TPU heel clip
- AFR (Active Force Return) intermediate sole: This innovative intermediate sole material provides superb cushioning and delivers positive returned energy to the runner with every step. At the same time, the material is especially long-lasting and retains its positive characteristics considerably longer than conventional phylon.
- The preformed and removable polyurethane insoles provide high-grade cushioning and cooling for dry feet
- Thanks to the anatomically arranged flex grooves, the non-slip TPR tread sole is extremely light and flexible
- Additional stability thanks to the preformed, external TPU heel counter