Embrace the road with the Brooks Ghost 18. Engineered for a balanced and supportive ride, these running shoes feature a nitrogen-infused DNA LOFT v3 foam midsole for lightweight, dynamic cushioning. The updated triple jacquard mesh upper and flat-knit tongue provide a secure, breathable fit that keeps you comfortable from the first mile to the last. Triple jacquard engineered air mesh upper offers breathability DNA LOFT v3 nitrogen-infused foam delivers dynamic cushioning Ortholite X-60 sockliner provides a soft step-in feel and rebound Flat-knit tongue ensures a pillowy feel to protect the top of the foot Refined upper construction helps lock the foot in place Lugged rubber outsole provides durable traction on various surfaces Wt. 10.3 oz. (men's size 9)