Vaporfly 4 Width:Regular 25 g Ventrix™ stretch synthetic

25 g Ventrix™ stretch synthetic insulation in front of body

helping you stay dry and comfortable through all your activities

Synthetic mesh material for breathability and a lightweight feel

World Leading High Tech Polymers

Bamboo charcoal ionized fibers for durable softness

Vaporfly 4 Width:Regular 25 g Ventrix™ stretch syntheticA 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