Brooks' top-of-the-line motion control shoe provides excellent performance for heavy-to-severe overpronators. Full-Foot Brooks DNA Cushioning Technology - automatically and physically adapts with each foot strike to provide the optimal balance of cushioning and stability personalized for each runner and each step Brooks BioMogo - the first-ever biodegradeable running shoe midsole; our non-toxic, natural additive to the midsole enables it to biodegrade 50x faster than other midsoles without changing the performance or useful life of the shoe. This eco-friendly technology won Runner's World International "Best Innovation" Award in 2006 Diagonal Rollbar (DRB) Accel - adds rigidity to the forefoot and enhances midfoot support while allowing heel and forefoot to act independently Available in widths and multiple colors; great for use with orthotics and inserts