PW21 Indirect Vent Goggles | Pw21clr Clear Flexible PVC frame Adjustable headband CE certified UKCA marked Portwest Indirect Vent Safety Goggles - Clear | Pw21clr Designed to be worn in a tough work environment, the goggles are fitted with a flexible PVC frame for ultra light and comfortable wear. Indirect Ventilation. Features Indirect ventilation Flexible PVC frame for ultra comfort Adjustable elastic headband for a perfect fit Ultra lightweight for long uses Protects from fluid and splashes Suitable for wearing over most prescription glasses