open-toed
From Longman Dictionary of Contemporary Englishopen-toedˌopen-ˈtoed adjective → open-toed sandals/shoesExamples from the Corpusopen-toed• There are also these artificial plastic toes that you fit over your artificial foot, so you can wear open-toed sandals.• Those who did were mostly long-haired, bearded and dressed in open-toed sandals.• She took off her open-toed shoes.