FEATURES of the Salomon Women's Sonic 4 Accelerate Shoe

• Lightweight, responsive training shoe for your fast days
• Updated sonic 4 accelerate is designed to go even faster
• Optivibe cushioning to dampen uncomfortable vibrations without sacrificing energy return, so you get a really responsive ride
• But, we've reduced material in the forefoot, collar and tongue for an even closer fit
• Reduce vibrations: Optivibe cushioning helps limit vibrations with the aim of decreasing muscle fatigue, while continuing to deliver a responsive ride
• Responsive ride: Delivers that bouncy, springy feeling each time you push off the ground
• Featherlight: Now even lighter with a soft, featherweight mesh and collar and tongue, so you feel like you're flying