Don't let Mother Nature stop you now, the Brooks Adrenaline ASR 14 gets the job done so you can hit the trails with confidence! ; Predecessor: Adrenaline ASR 13. ; Support Type: Neutral. ; Cushioning: High energizing cushioning. ; Surface: Trail. ; Differential: 12mm. ; Durable, DWR (durable water repellent) mesh and synthetic upper materials. ; Mid-foot saddle with adjustable eyelets pulls from the heel for a more secure fit. ; Lace-up closure. ; Plush tongue and collar. ; Soft fabric lining. ; Removable foam insole. ; BioMoGo DNA is a blend of earth-friendly BioMoGo and responsive Brooks DNA, and has a gender-friendly cushioning design, making for a dynamic ride. ; Progressive Diagonal Rollbar (PDRB) is a tri-density midsole that is designed to promote progressive pronation control, as well as smoother transitions throughout the gait cycle. ; Full-length, segmented crash pad absorbs shock to ensure smoother transitions. ; Blown rubber forefoot. ; Flextra rubber outsole piece offers a varied degree of support corresponding with gender and weight for enhanced flexibility. ; Imported. Measurements: ; Weight: 13 oz ; Product measurements were taken using size 11, width D - Medium. Please note that measurements may vary by size.