From Longman Dictionary of Contemporary Englishslip-onsˈslip-ons noun [plural] DCCshoes that do not have a fastening —slip-on adjective slip-on shoes
Examples from the Corpus
slip-ons• Avoid slip-ons, as the toes need to grip hard to keep them on and so are put under strain.• She could imagine him, sitting in an office somewhere, no doubt in a sharkskin suit and Gucci slip-ons.• The leather slip-ons were an old, comfortable pair. 