Turn heads with the undeniable style and lightweight performance of the adidas Pureboost X running shoe! ; Predecessor: None. ; Support Type: Neutral to underpronation (supination). ; Cushioning: Lightweight, flexible response. ; Surface: Road. ; Differential: 9 mm. ; Lightweight, breathable mesh, textile, and synthetic upper materials. ; Lace-up closure. ; Bootie design with integrated tongue for a great fit and feel. ; Thin, comfortable tongue and collar. ; Smooth fabric lining offers a great in-shoe feel. ; Molded foam insole. ; boost midsole features energy-returning properties to keep every step charged with light, quick, endless energy. ; Heel/Toe: 25.5 mm/16.5 mm. ; Lightweight STRETCHWEB rubber outsole adapts to the ground for reliable stability. ; Imported. Measurements: ; Weight: 7.9 oz ; Product measurements were taken using size 8, width B - Medium. Please note that measurements may vary by size.