Unisex Nike Long Jump Spike 4 - 415339-004 size:13.0 1) Measure your upper arm

1) Measure your upper arm circumference at the widest point on your biceps

5Medium: Men's 6-8

which now features four pockets

reducing stress on feet

A perfect anatomical fit and compression design means you can easily wear these socks under your everyday clothing

Unisex Nike Long Jump Spike 4 - 415339-004 size:13.0 1) Measure your upper armThe Unisex Nike Zoom Long Jump Spike is a superior long jump spike with a lightweight, seamless upper and a responsive plate that optimizes power transfer for an exceptional takeoff. See below for sizing information. Sizing Information These spikes are unisex. Sizes in drop down menu are men's sizes. See below for conversion to women's sizes. M 4 = W 5. 5 M 4. 5 = W 6 M 5 = W 6. 5 M 5. 5 = W 7 M 6 = W 7. 5 M 6. 5 = W 8 M 7 = W 8. 5 M 7. 5 = W 9 M 8 =