The adaptive Primeknit upper, reinforced fiber-stitching around the toe, and the responsive boost midsole make the adidas Running Ultraboost DNA running shoes one of the most comfortable additions to your stride. Plus, the upper includes a visual update with exciting, new colors. Predecessor: Ultraboost 19. Support Type: Neutral. Cushioning: Lightweight, flexible response. Surface: Road. Differential: 10mm. Lace-up closure. Structurally-supportive synthetic mid-foot cage. Imported. Measurements: Weight: 11 oz Product width D - Medium.