• Meet the most versatile running shoe: the Relay Trainer. It's designed for everything • The Relay Trainer features a supportive fit with a breathable, non-stretch mesh upper and fits true to size. •cushioned yet stable midsole that combines a firmer outer rim made of Sugarcane-based foam with a softer Algae-based foam center to give you the best of both worlds. Cushion for when you're going the distance and stability for when you're making moves in the gym. • We recommend going with your usual size. • Bonus: our shoes are unisex, with men’s and women’s styles offering the same fit. This means sizes can be converted to suit a wider range of people. Men’s sizes are 1 full US size smaller than women’s. For example, if you are a women’s US 10, you can also purchase a men’s US 9 for a perfect fit. Questions? Leave a comment below!