Nike MD Valiant Sneakers. Style CN8558-406. Blue and gray with a pop of neon green. Lace up closure. Good pre-owned condition with small signs of wear. Please see all detailed photos provided in listing. Big Kid’s Sz 6Y (Youth) About the shoe: These everyday kicks throw it back by mashing up details from ‘80s running shoes. Plus, did you know? The Nike MD Valiant is full of history. They're named after the car that Nike's co-founder sold shoes out of during the early days—the '64 Valiant. These casual kicks are a classic ‘80s Nikes with textile and suede material, as well as the Swoosh shape and stitching details. Cushy Feel Soft foam cushioning provides lightweight comfort with every step. The full-length waffle outsole made of rubber (also a nod to Nike's past) is flexible and provides durable traction.