You just might find yourself loving how you feel in supportive Chaco Women's Fathom Sandals Classic Chaco comfort is updated with a streamlined look in this low-profile, casual thong sandal. The LUVSEAT contoured polyurethane footbed supports the arch, cups the heel and helps reduce overpronation (foot rolls inward too much) and increase stability. The footbed, which has been certified by the APMA (American Podiatric Medical Association), also absorbs shock for enhanced walking comfort. Plus, the water-friendly EcoTread outsole helps keep your steps confident, even on wet surfaces. The polyester webbing straps wrap slightly under the foot, a smart design that helps to hold the sandal in place.