Salomon Women's Sonic 4 Confidence Running Shoe Size:9 • HYBRID BATTERY CASE A

• HYBRID BATTERY CASE A versatile battery case for either AAA batteries or Hybrid battery pack

when the run must go on

steady run on any surface

the unstable surface makes the exercises harder by engaging your core muscles

and even though it's slim-fitted

Salomon Women's Sonic 4 Confidence Running Shoe Size:9 • HYBRID BATTERY CASE AThe updated SONIC 4 CONFIDENCE W is designed to give you that extra assurance and energy. We've kept our Optivibe cushioning to dampen uncomfortable vibrations without sacrificing energy return, so you get a really responsive ride. But now with more structured mesh, extra padding and updated SensiFit wings, you'll feel even more confident.