Merrell Women's Lorelei Leather Zip Combination construction mimics your foot's shape, delivering a stable heel and flexible forefoot. Molded nylon shank provides enhanced arch support. QForm Comfort technology provides cushioning and support tailored to a woman's body. Leather / mesh upper, mesh / spandex upper lining, molded EVA sockliner, EVA insole... Molded EVA midsole, molded nylon shank, rubber outsole.