ENDORPHIN SPEED 4 Size:42 améliore l'amorti et le confort

améliore l'amorti et le confort avec un style plus racé

The Inner Spark collection represents conquering inner battles

spandex-enhanced fit keep comfort at an exceptional level

Elasticated Y-shaped waistband with reinforced support

ENDORPHIN SPEED 4 Size:42 améliore l'amorti et le confortSPEEDROLL technology provides propulsion and forward movement of the foot without additional effort. Energy efficient PWRRUN PB technology provides dynamic, responsive cushioning. The design is enhanced with engineered mesh and an integrated upper for a snug, secure fit. Try our new SRS (Super Responsive Sockliner). We dare you not to bounce back. Redesigned Plate Vertical reinforcement to add torsional rigidity, while maintaining flexibility in the