These adjustable elastic straps are a lifesaver! Based on our own experience with them, they are perfect for securing PPE such as goggles face masks, and hard hats to your head .THE elastic is sturdy, yet flexible, and the lace-up design allows for a customizable fit. The straps are also machine washable, making them perfect for long-term use in industrial and scientific settings. The only downside is that they may take a bit of trial and error to get the perfect fit, but once you do, they`re unSee full review