You would have to search high and low, over and over, to find new FR overalls at this price. Is there a catch? Well, sort of. Read on.
So based on reviews posted elsewhere, many users are reporting the side buttons tearing out. Easily fixed! Buy them a bit loose to avoid straining the side buttons and/or reinforce the fabric around the stem of each button with fabric glue (aka no-sew adhesive) and... voila! Problem solved!
Also, many buyers are reporting that they run small. With these overalls, don't buy based on your pant size, but start with your belly circumference. For instance, my usual waist pant size is either 34 or 36 (depending on the brand), my abdomen circumference, as measured with a tailor's tape, is 38-39". I can say with confidence that these overalls in 34W would not have fit me despite me owning overalls in 34W that fit me. I think I could've gotten away getting size 36W for a form fit, but I wanted to avoid popping out those buttons, so I purchased them in 38W. They're slightly loose, but I'm satisfied with the fit, and I also eliminate, if not, lessen the chance of tearing out a button. (I don't own Key's non-FR overalls yet, so I can't report on any sizing disparity between them).
Additionally, the front hip/crotch area balloons out a little bit, as if to accommodate a belly roll or a gut spillover. I noticed it right away and even my gf noticed it. If I was buying these overalls for fashion streetwear I'd be disappointed, but since I intend to wear them as workwear, I simply don't care.
Other things to consider:
They have plastic buckles on the suspenders, like my old Bulwark overalls, but unlike my expensive, yet highly disappointing Bulwark overalls, the suspenders don't become loose and need constant adjustment.
For folks in the humid south, keep in mind that they're heavyweight denim, 14oz.
The side utility pocket can accommodate my smart phone, an S9 with a slim protective case. A big plus for me.
I cannot report on shrinkage, since I haven't washed them yet, Just assume they will, which is another reason to buy them a little big.
Despite the issues with these overalls, I still think they're a great buy at Keys' current discounted price. I still recommend them.