ENDORPHIN SPEED 4 200-300€ ) We've paired ReactX foam

) We've paired ReactX foam with Flyknit

It must be both efficient and comfortable

Their lower

while soft flatlock seams and raw-edge hems ensure unparalleled comfort from the first mile to the last

during and/or directly after the activity

ENDORPHIN SPEED 4 200-300€ ) We've paired ReactX foamSPEEDROLL 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