low-cut collar keeps it comfortable for your world

Zoggs EcoduraX™ fabric is flexible

Rubber outsole with '00s-inspired grooves adds great traction

Give your feet a rest

water-repellent fabric and equipped with Therma-FIT tech and down insulation

Zoomx Vaporfly 4 Men's Road Racing Shoes Size:6.5 low-cut collar keeps it comfortableA 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.