One Size fits widths medium Take comfort to the next level by opting for the PROTALUS® Men's TE100 Thin Series, a perfect combination of cushioning and alignment. •Tri-Planar Alignment System that guides the body in the proper position. •ETC anti-friction footbed. •Ideal for standard volume, low-profile shoes. •3mm cushioning on the forefoot and heel. •Moisture-wicking, anti-friction lining. •Full-length cushioning and comfort with high-rebound polyurethane molded for contour. •Nylon shank with a contoured shape for stability and support. •Engineered ridges for added support and grip. •Best for sneakers, athletic shoes and other casual shoes.