Weight: 4.6 oz (size 9)
Sizing is based on the men's scale. Women should subtract 1 and a half sizes from their women's shoe size. Example Women's 8.5 equals size 7.0 for this shoe.
How It Fits (based on width D) Width D=Medium
A complete redesign takes the Japan Thunder to new levels. Minimal weight, innovative spike plate and superior materials result in the Japan Thunder 3 being an ultimate distance spike. For serious runners looking to raise their performance. Includes ten 3/16" pyramid spikes and a spike wrench.