An extra run squeezed in at lunch An added mile to your daily loop However you go about boosting mileage these adidas shoes give you the comfort to keep up Adding stability so you can push farther they have a supportive upper and a Stable Frame that guides your foot through the gait cycle Energizing your ride the flexible outsole works in harmony with the responsive feel of Boost A heel split reduces irritation at the AchillesRegular fitLace closureTextile liningBoost midsoleStretchweb outsole with Continentaltrade RubberWeight 11 ounces size 9Midsole drop 10 mm heel 32 mm forefoot 22 mmPrimegreen