Altra Men's Superior 7 Rossignol and everything in between

and everything in between

the SD100v3 women's running spikes are perfect for short-distance sprinting between 60m and 400m

Improved durability and grip with enhanced rubber at the front

The distance between the base and nozzle should be approx

To provide a stepping stone to take your trail running to the next level for ultra-distances

Altra Men's Superior 7 Rossignol and everything in betweenNimble. Quick. Lightweight. If you want to feel connected to the trail, look no further. As a classic shoe in Altra's trail running repertoire, they made thoughtful tweaks to help enhance your comfort and connection to the trail. New tongue construction and Ghillie lacing is designed for a more comfortable fit at step in, while new tooling offers increased flexibility. Its still got a MaxTrac outsole for grip, but they have refined the outsole lug