- SSL EVA a thin midsole for optimal cushioning
- FLEXFILM a thin upper keeps your foot in place
- Prbax a 6-pin spike plate provides unrelenting grip on the track
- Lightweight breathable mesh
- Compression model SSL EVA
- 6-pin Pebax® spike plate
The Endorphin MD4 pushes you ahead of the middle distance pack thanks to a 6-pin spike plate that’s sure to keep you on your toes from starting gun to finish line.