These need to be washed to get the dry dirt off and should go back to being super white again. Care Instructions: Machine Wash Origin: Imported Sole Material: Rubber Outer Material: Mesh About this Item: Perforated panels, Reflective accents throughout, Cushioned collar and super-soft insole, Engineered for the needs of multi-functional athletes and movement-based workouts, Ultra lightweight design, Helion superfoam injected CloudTec sole with Signature speed-lacing system and Round toe Description: Engineered to crush any movement-based workout, these On sneakers enhance the label's original Cloud sneaker with cutting edge technologies for a pair that punches well above its weight. Ultra lightweight and featuring HelionTM superfoam injections, the Cloud X is a trainer that never backs down from a challenge, and is at home on the track, street, or gym.