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. Rubber sole Shaft measures approximately Ankle from arch Durable mesh upper with seamless synthetic overlays Breathable textile lining for added comfort Removable, dual density insole for cushioning and support Low-Profile construction for ankle mobility Durable and lightweight CloudTec rubber outsole for superior grip and traction