Abstract: A convertible headgear that includes an adjustable strap stored behind a sweatband that may be used to secure the headgear as a cap or mask, and modified rear crown panels that form a ventilation opening to facilitate a clear nasal passage airway when the headgear is worn as a mask.
Abstract: A convertible headgear that includes an adjustable strap stored behind a sweatband that may be used to secure the headgear as a cap or mask, and modified rear crown panels that form a ventilation opening to facilitate a clear nasal passage airway when the headgear is worn as a mask.
Abstract: A convertible headgear that includes an adjustable strap stored behind a sweatband that may be used to secure the headgear as a cap or mask, and modified rear crown panels that form a ventilation opening to facilitate a clear nasal passage airway when the headgear is worn as a mask.
Abstract: A convertible headgear that includes an adjustable strap stored behind a sweatband that may be used to secure the headgear as a cap or mask, and modified rear crown panels that form a ventilation opening to facilitate a clear nasal passage airway when the headgear is worn as a mask.