The Nike Free 5.0 imitates being barefoot. The trail version has fewer grooves for flexibility than the 5.0, but is nike free 3.0 still extremely flexible. It comes with a schedule to build up your time in the shoe as your body gets used to the extreme flexibility. Walkers more than runners need a flexible shoe to puma store allow the foot to roll through a step. The upper is comfortable, suede-like, and designed to nike free shoes move with the foot. The shoe feels great, they are cheap nike shox now my preferred shoe for wearing all day long. Most important for me, it doesn’t irritate my bunion. The trail version lacks the nike shox netting at the back of the heel that everybody rips with the 5.0, a big improvement. However, I’d be reluctant to nike shox take these suede shoes out on an actual trail, I would think they would rip easily and pick up debris.