Hamilton Face Cover Adjustable Mouth Cover Scarf Neck Gaiter Bandana Balaclava Windproof Dustproof for Men Women 4PCS

1. Do they pass the fart test? Yes, the mask can filter out malodorous gas. 2. Are they washable? Yes, they are washable, but wash them on a gentle wash. 3. Will it shrink after washing? It is recommended to wash it by hand and air-dry to prevent it from shrinking, and don't try them in a dryer they will shrink. 4. How about the quality of the elastic loops of this mask? Strong seams and sturdy adjustable connections. 5. Does this mask have nose wire? Yes. 6. Is it comfortable to wear? Is the quality good? Soft fabric, adjustable connection, suitable for your face shape. 7. Does it keep glasses from foging up? Answer:It’s really about how it fits your face. If you place your glasses over the mask, while making sure the mask fits snugly underneath, your glasses will not fog up. This mask have a nose wire, adjust the mask to fit your face shape and it will not fog up. 8. Is this mask suitable for exercise? The breathability of the mask is suitable for sports.