Merrell Women's Lorelei Thong Sandal 100% Textile Synthetic sole Cement construction provides lightweight durability Synthetic leather upper Microfiber wrapped Merrell Remember Me Foam memory foam footbed that is soft to the touch and treated with Aegis antimicrobial solution Molded nylon arch shank Merrell air cushion in the heel absorbs shock and adds stability with an EVA midsole for cushioning