These are the walking shoes with patented shock absorbing technology proven to reduce pain in the back. In a study conducted by UCLA Medical Center, subjects who wore shoes with the same patented insoles over five weeks experienced a 91% reduction of back pain (as well as an 85% reduction of knee pain, 92% reduction of ankle pain, and 75% reduction of foot pain, on average). The supportive EVA foam footbeds have a built-in arch support, deep heel cup, and wide toe bed. With microfiber leather uppers and rubber outsoles with a slip-resistant pattern. Imported. Blue or Black. Men’s whole and half sizes 9-12, and 13.