On Running Womens Cloudflow Mesh Rock Rose Trainers 7.5 US Mesh Ethylene Vinyl Acetate sole Shaft measures approximately Ankle from arch Breathable, adaptive and supportive engineered mesh upper with seamless synthetic overlays Breathable textile lining for comfort Removable, mesh lined, perforated foam insole for cushioning and support CloudTec cushioning technology active only during the foot strike Unique, lightweight and flexible Zero-Gravity EVA foam sole