Women’s Vaporfly 4 Proto (100 - Sail/Black-Total Orange-White) Sandal This belt uses a fabric

This belt uses a fabric that is 80% Nylon which adds extra durability

multi-directional stretch allows full range of motion while maintaining high level of support

now lighter

A revised midsole foam is lighter weight and designed to deliver a comfortable connection to the ground

We added breathable fabric at the upper back to help keep you cool

Women’s Vaporfly 4 Proto (100 - Sail/Black-Total Orange-White) Sandal This belt uses a fabricWomen's Road Racing Shoes 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 the midsole salutes the wear testers who put these shoes through our rigorous test process to give you the best