Disclosed herein are adjustable closure system comprises a first flap configured to extend inwardly from a first side of a wearer, a second flap configured to extend inwardly from a second side of the wearer, and an adjustable suspension strap. The first flap may comprise a plurality of first fasteners. The second flap may comprise a plurality of second fasteners. The adjustable suspension strap may comprise a third fastener. The adjustable suspension strap is configured to be secured to the first flap, the second flap, or both the first flap and the second flap. Also disclosed herein are protective garments such as aprons comprising the adjustable closure system.