MEN'S VAPORFLY 4 - D - OBSIDIAN/PERSIAN VIOLET SIZE:13.0 CORE rechargeable battery: 2 years

CORE rechargeable battery: 2 years or 300 charging cycles

Rain or Shine

Feetures Merino 10 socks use a distinct blend of Merino wool and Tencel Fibers to create a more advanced Merino wool sock

the new nitrogen-infused cushioning in the midsole that delivers plush landings and responsive toe-offs with every step

fast-drying fabric with inner tights for comfort

MEN'S VAPORFLY 4 - D - OBSIDIAN/PERSIAN VIOLET SIZE:13.0 CORE rechargeable battery: 2 yearsThe Vaporfly 4 is a mile eating machine that just got lighter. Nike trimmed weight all over from the previous iteration without sacrificing performance. And the carbon fiber Flyplate and ultra responsive ZoomX foam midsole combine to give you race day speed. The result is a more fine tuned racing shoe thats trusted from the mile to the marathon. Full Speed: The full length carbon fiber Flyplate has a higher angle than the Vaporfly 3 and combines with