Aetrex Women's Venus Sporty Thong Dress Sandal 80% Synthetic, 20% Fabric Imported Rubber sole Heel measures approximately 0.75" Lynco orthotic footed for support, balance & alignment Memory foam cushioning for customization & comfort Aegis anti-microbial technology to help protect against fungi, bacteria & odor EVA midsole for comfort & stability Soft microfiber footbed & linings