Mizuno Sprint Spike Mens Sizing. For womens sizing add 1.5 sizes eg 7 mens equals 8.5 womens The Mizuno Sprint delivers a light and comfortable construction that is easy to handle as beginner and intermediate athletes develop their craft on the track. HIGH PERFORMANCE MIDSOLE Lightweight EVA throughout the forefoot enhances energy return and a the plate features increased flexibility to increase comfort for those seeking an accessible spike. WOVEN CONSTRUCTION A super light and breathable Woven upper encompasses the foot for a secure hold. IMPROVED EFFICIENCY Outsole plate design supports the midfoot to ensure minimal energy loss as you run. Style Code: U1GA266001