Classic women’s mule with diamond pattern poly/wool-blend knit uppers and cozy polar fleece linings. TPR outsole with fabric-covered rubber inserts and wave-pattern tread provides traction. A nylon shank in the outsole provides stability. The new and improved Orthaheel “Active” removable biomechanical orthotic footbed supports your feet and helps realign the lower legs, improving posture and balance. EcoFresh® anti-bacterial odor-reducing footbed and linings.