Warm up and take off towards a new PR in the reliable RoadHawk FF. ; Predecessor: None. ; Support Type: Neutral. ; Cushioning: Lightweight, flexible response. ; Surface: Road. ; Differential: 8 mm. ; Breathable mesh and synthetic upper materials. ; Seamless upper construction helps reduce the likelihood of irritation. ; Lace-up closure. ; Padded tongue and collar. ; Breathable fabric lining offers a great in-shoe feel. ; Removable ComforDry sockliner. ; FlyteFoam midsole creates a lightweight, responsive ride. ; Heel/Toe: 19 mm/11 mm. ; High-abrasion AHAR rubber outsole. ; SpEVA 45 lasting. ; Imported. Measurements: ; Weight: 7 oz ; Product measurements were taken using size 7 Big Kid, width M. Please note that measurements may vary by size. ; Weight of footwear is based on a single item, not a pair.