From Vionic, the Women's Amber sandals feature: synthetic uppertonal beading4 adjustable straps for the perfect fitmicrofiber liningRecommened by Dr. Andrew WeilReceived APMA Seal of Acceptancepodiatrist-designed bio-mechanical orthotic footbed with deep heel cup to help support and realign feet back to their natural positionlightweight, flexible EVA midsole that absorbs shock to reduce pressure on feet, ankles and kneesdurable rubber outsole with rubber inserts for added traction 1" heelclinically shown to help relieve common causes of plantar fasciitis, heel pain and knee pain related to over-pronation and flat feet Imported.