Improve circulation and faster muscle recovery

topped with a layer of naturally antibacterial cork

The term "bios" isn't just a label

thin and flexible to elevate every workout

plow through an ice pack

Altra Men's Superior 7 - Black/Gray Size:7.5 Improve circulation and faster muscleNimble. Quick. Lightweight. If you want to feel connected to the trail, look no further. As a classic shoe in our trail running repertoire, we made thoughtful tweaks to help enhance your comfort and connection to the trail. New tongue construction and ghillie lacing system 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 we refined the outsole lug shape and