Type: Spikes Gender: Unisex High-rebound sprint spike flagship model [Suitable events: 100m - 400m] ■Color 300: VELVET PINE/SAFETY YELLOW ■Size 25.5cm ■Material Upper: Synthetic fiber Outer sole: Synthetic sole Spikes: Metal (iron) = 5mm: Fixed ■Remarks For all-weather track only (Note: Not for use on dirt tracks)