Boulder riding midsole geometry enhances rock surface adaptability
This spike is unisex sizing, size selection is in Men's sizing. See size conversion chart below.
Made for speed.
Traction on uneven surfaces Dig into soft and muddy ground with strategically placed spikes for better footing. A wide midfoot adds stability.
Designed for distance Our BioMoGo DNA cushioning provides a soft feel from the start line to the finishers chute.
Durable rubber outsole provides traction and durability.
- Single-layer vamp mesh offers breathability and drainage.
- Spike wells have a unique "XC" design.
- Heel webbing for easy on-off.
- Heel webbing design nods to caution-tape course markers.
unisex sizing:
?C Men??s 3.5 = Women??s 5?C Men??s 4 = Women??s 5.5
?C Men??s 4.5 = Women??s 6
?C Men??s 5 = Women??s 6.5
?C Men??s 5.5 = Women??s 7
?C Men??s 6 = Women??s 7.5
?C Men??s 6.5 = Women??s 8
?C Men??s 7 = Women??s 8.5
?C Men??s 7.5 = Women??s 9
?C Men??s 8 = Women??s 9.5
?C Men??s 8.5 = Women??s 10
?C Men??s 9 = Women??s 10.5
?C Men??s 9.5 = Women??s 11
?C Men??s 10 = Women??s 11.5
?C Men??s 10.5 = Women??s 12
?C Men??s 11 = Women??s 12.5
?C Men??s 11.5 = Women??s 13
Provides a comfortable in - shoe environment
