INTRODUCTION

The Nike FREE 4.0 v3 is a minimum featured, minimum neutral shoe designed for speedwork, racing, and daily training.

CUSHIONING

• Phylite uses a lightweight midsole material designed for a resilient ride with enough durability to double as an outsole.

MIDSOLE

• Phylite uses a lightweight midsole material designed for a resilient ride with enough durability to double as an outsole.
• Crash pad at the bottom of the heel is a decoupled, gender-specific unit that reduces impact shock and corrects over pronation.
• Nike Free sipes uses gender-specific flex grooves to allow barefoot-like flexibility and stability.
• Transtarsal Flex Grooves are deep outsole cuts running diagonally under the midfoot area for increased flexibility and mobility.

UPPER

• Free-specific mesh has a stitch-free design for breathable, barefoot comfort.
• Asymmetrical lacing wraps the foot to the shoe and relieves pressure over the top ridge of the foot.
• Molded sockliner mimics the curvature of the foot for a closer fit and underfoot cushioning.
• Strobel Last with the upper stitched to full-length fabric for a comfortable underfoot feel.

OUTSOLE

• Waffle lugs built into the Phylite outsole compress on impact for increased cushioning. 
• BRS 1000 carbon rubber provides durable traction.