Vaporfly 4 Width:Regular Synthetic mesh material for breathability

Synthetic mesh material for breathability and a lightweight feel

helping you stay dry and comfortable through all your activities

The waistband is designed for comfort on extended runs

Simple and hardwearing 28L backpack with great organizing possibilities

Breathable FlexWe added Flyknit throughout the upper

Vaporfly 4 Width:Regular Synthetic mesh material for breathabilityA light, efficient design feels propulsive for all 26. 2. 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. Product Details: Full Speed The full length carbon fiber Flyplate has a higher angle than the Vaporfly 3 and combines with a lower