ENDORPHIN SPEED 4 PANTS&TIGHTS ReactX foam reduces it by

ReactX foam reduces it by 43% compared to React foam

flexible design helps protect you from the rain when running on wet roads and trails

This bottle is leak proof

Nous vous conseillons de choisir une 1/2 taille au-dessus de votre taille habituelle

ENDORPHIN SPEED 4 PANTS&TIGHTS ReactX foam reduces it bySPEEDROLL 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