Boots with otherwise grippy soles still slip, and spikes don't do ... The polyurethane itself is flexible and rubbery, so it's still able to grip on hard dry surfaces such as asphalt.

Now, a new rubber compound being built by two companies aims to fill the gap between inadequate grip and full blown ice climbing. To showcase their new sole, Belleville Boot Company and Vibram put ...

Boots with Vibram Arctic Grip or Green Diamond soles did the best on tests, and you can look for those soles when you’re boot shopping. Check out the ratings for your favorite boots at the link ...