1. having no zipper or zip fastener

Examples

• She preferred zipless hoodies that pulled over her head.
• The zipless sleeping bag used Velcro closures instead.
• His zipless jacket had button fastenings down the front.
• The designer created a zipless dress with a wrap-around style.
• The zipless backpack closed with drawstrings and buckles.
• Many athletic pants are zipless for comfort during exercise.