ONE-TO-ONE FIT. SUPERIOR TRACTION. Nike Air Zoom Victory 4 XC Spike is built to navigate tough courses with a one-to-one fit and superior traction. The first Nike cross country spike of its kind to use water-resistant Hyperfuse construction, it provides a nearly seamless fit in an extremely lightweight execution. Unisex sizing, men's sizes shown. See size chart in photo stream above to convert for women's sizing. Dynamic arch band secures the midfoot over uneven terrain.Water-resistant Hyperfuse construction provides a sock-like fit.Nike Anti-Clog Traction outsole helps prevent build up without added weight.Free-floating Flywire cables wrap the midfoot and arch for customized lockdown.360-degree collar connects the midsole to the outsole for a lightweight, one-to-one fit.Rubber with an aggressive traction pattern provides multi-surface traction and durability.