With regular maintenance and a few replacement parts, workers can easily extend the life of their favorite work boots.

but a cached version shows an image of the tread for the $50 boot made by Conal Footwear. A photo on Amazon shows its rubber sole. Mashable Top Stories Stay connected with the hottest stories of ...

own football boot and replacement insole, and on the left or right side. Subjects underwent six 50 trial blocks, in which they completed all footwear conditions. The sole inserts were cut to size for ...