The Goodyear Welt is typical of very high end footwear. It is an extremely durable construction, allowing for the soles to be replaced over and over. Most owners of these shoes to see a life of 20 years. Latex foam mid-soles use Soft-Air Technology providing light airy cushioning to every step, relieving impact on the knees, hips and lower back. The natural rubber outersole has been mixed with oxygen to aid compression and shock absorption.Size Men's 10.5Good used condition, see pictures