Rubber sole Heel measures approximately 10 millimeters Fresh Foam X midsole delivers our most cushioned Fresh Foam experience for incredible comfort Engineered mesh upper with no sew overlays Responsive bottom bed of foam adds additional underfoot cushioning Lace-up closure for a secure fit From daily exercise to specialized, high-level training program, there are a lot of forms that an every day running regimen can take. New Balance’s 880 is built to be your go-to, neutral running shoe. The latest offering in the 880 line, the Fresh Foam X 880v12 features a reimagined, dual-layer midsole. With improved heel cushioning and responsiveness of a top-bed foam layer and underfoot Fresh Foam X, the v12 represents a new generation set-up of a silhouette known for its workhorse reliability. A plush, engineered mesh upper is infused with strategic zones of breathability and support. With the 880’s 360-degree approach to sustained comfort you can just keep going, no matter how many miles your daily running routine covers.