Keen UNEEK Sandal pairs an adaptive two-cord upper with a flexible rubber outsole for secure, go-anywhere comfort—ideal for outdoor and water-friendly use. Key attributes: Green | Dark olive | Black | P.E.T. plastic cord | Flexible rubber outsole with razor siping for wet traction | Good traction on varied terrain | Two-cord upper with infinite adjustability | Lightweight PU midsole for cushioning | Non-marking rubber outsole | Open sandal silhouette | Braided two-cord upper | Lace-lock system | Dimensions & fit: Adaptable two-cord fit (conforms to foot shape) | Regular/medium fit; if between sizes, consider choosing the half size down | Composition & care: P.E.T. plastic cords | PU midsole | Rubber outsole