New in box Lane-Eight Relay Trainer. 9 Meet the most versatile running shoe: the Relay Trainer. It's designed for everything from short runs, long runs, easy runs, hard runs, jogs, walks, and your favorite gym workouts - it's ready to do it all. What's the secret? We've created a 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. The Relay Trainer features a supportive fit with a breathable, non-stretch mesh upper and fits true to size.