Hit your health goal by sweating it out in the Nike Air Relentless 6 running shoe. ; Predecessor: Air Relentless 5. ; Support Type: Neutral to underpronation (supination). ; Cushioning: Light, flexible response. ; Surface: Road. ; Differential: Not provided. ; Breathable, single-layer mesh and synthetic upper materials. ; Lace-up closure. ; Padded tongue and collar. ; Removable foam insole. ; Nike Air midsole provides resilient underfoot cushioning. ; Full-length rubber outsole delivers lasting durability and traction. ; Imported. Measurements: ; Weight: 11 oz ; Product measurements were taken using size 7.5, width B - Medium. Please note that measurements may vary by size.