FuelCell midsole foam with approximately 3% bio-based content delivers a propulsive feel to help drive you forward

Narrow fit to reduce wavering when running

• Li-Ion Micro-USB rechargeable battery

Over the life of a shoe

Superfeet Run Support Medium Arch Size:C (Women 6.5 - 8 | Men 5.5 - 7) FuelCell midsole foam with approximatelyFL7933 Best For: Running, walking, training, athletic shoes Fits Best In: Roomy to moderate fitting RUNNING and WALKING footwear with removable insoles Arch Height: Medium Thickness: Max Cushion: Mid Superfeet Run Support Medium Arch insoles add stability and comfort to your running shoes, reducing stress on feet, ankles, knees, and back. Improves efficiency, reduces fatigue, and supports every step. Responsive EVOLyte carbon fiber cap and two layers