The new Sigma Aria unisex track spike strikes a unique balance of speed and endurance, perfect for seeking a smooth but aggressive transition from 200 to 400m. The spike plate utilizes a less rigid material for a more forgiving ride over longer distances. A new engineered knit upper features external film for a secure and durable fit.
Weight: 155 grams (5.5 oz)
Sizing is in Men's. To get the Women's sizing just add 1.5. Example, size 6 Men's is a size 7.5 Women's.