On Cloud Womens Cloudflow Gray Running Shoes Size 8,5 Item Condition: no signs of wear Material: Textile. Zero-gravity foam and 18-cloud cushioning further the springy comfort of a super-lightweight running shoe topped with breathable engineered mesh. The responsive Speedboard in the sole moves naturally with your foot to transform every heel strike into an explosive toe-off, with a durable, high-abrasion rubber tread providing superior grip just where you need it. Style Name: On Cloudflow Running Shoe (Women). Style Number: 5757358 1.