On the Gardena Thong sandal Merrell laid a leaf of nubuck leather over a thong and added neoprene/Lycra to give you a comfortable, beach-tight fit. An EVA midsole with gender-specific QForm ® Comfort stride alignment combines with an Oasis Sole for highly cushioned traction.Key Features of the Merrell Gardena Thong Sandals: Cement construction provides lightweight durability Nubuck leather and Lycra ® upper Lycra ® lining Microfiber wrapped anatomical footbed with Aegis ® antimicrobial solution Molded nylon arch shank QForm ® comfort provides women's specific stride-sequenced cushioning Merrell ® air cushion in the heel absorbs shock and adds stability Merrell Oasis Sole Sticky rubber Weight: 11 ozs.