ENDORPHIN SPEED 4 PANTS&TIGHTS flexible design helps protect you

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

Semelle intermédiaire résiliente en PEBA deux couches

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ReactX foam reduces it by 43% compared to React foam

ENDORPHIN SPEED 4 PANTS&TIGHTS flexible design helps protect youSPEEDROLL 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