Enjoy all day, all terrain comfort and support with the revolutionary design and new material technology of Michelin insoles. Try them in your work boots, walking shoes or sportswear. Exclusive orthotic chassis reduces fatigue, foot pain, knee strain and overpronation. Closed cell polyurethane footbed provides shock absorption and long-lasting comfort. Air circulation network keeps feet cool and dry with strategically placed channels and holes. Breathable Drilex lining resists bacteria and fungus and reduces abrasion. Rigid thermoplastic urethane increases stability and prevents structural distortion.