Nike ZoomX Vaporfly Next% 4 Men's Shoe Size:9.0 The unique full-length Speedboard® is

The unique full-length Speedboard® is a blend of fiberglass-nylon that catapults you forward

Large back secure zip pocket

More Details Racerback design

A full-length carbon fiber Flyplate provides a propulsive feel from your first push through the finish line

Waistband: Narrow with drawcord

Nike ZoomX Vaporfly Next% 4 Men's Shoe Size:9.0 The unique full-length Speedboard® isNeutral & Racing High Cushion 8mm Heel Drop Be the first to know about restocks & new drops. Register for our Speed Shop Restock List here. The Vaporfly 4 is a lean, mean, mile eating machine. We trimmed weight in the midsole, outsole and upper from the Vaporfly 3 without sacrificing performance. The result is a lighter, more propulsive all around racing shoe thats trusted from the mile to the marathon. Performance Approved The handwritten number on