Its hard to top greatness, but the Go-To Shoe for years, the Brooks Adrenaline GTS 18 running shoe does just that. This update now features a more streamlined, engineered mesh upper design for an improved fit and cleaner look. More than its good looks though, this shoe is still focused on providing support and stability for runners who need it. Runners will appreciate the comfortable cushioning theyll get with every step on their run in this premium running shoe update. Upper: Engineered mesh upper with minimal overlays provides a lightweight feel and streamlined fit. Padded tongue and heel collar enhance comfort. Lace-up front offers an adjustable fit. Internal Support Saddle enhances stability. Midsole: Improved BioMoGo DNA midsole provides adaptive and flexible cushioning. Progressive Diagonal Rollbar (PDRB) provides added support and smooth transitions. Full-length segmented Crash Pad delivers smooth transitions. Outsole: HPR Plus provides high durability and abrasion resistance. Forefoot Stable Pod Construction allows for more stability and response. Blown Rubber Forefoot offers enhanced durability. Flextra elements are strategically incorporated into the outsole in the forefoot area to provide forefoot stability depending on gender and weight categories.