I pretty much got the perfume smell out of mine but it was stubborn.
I gave them an overnight soak in a fairly strong mix of Sportwash, baking soda, and a little unscented dish detergent. I did a hand wash in that and they still stunk. I wrung em out, made new soak and hand washed again and left it over night. They still stunk the next day. They then went into the front load washer with other clothes. They were much better but still had some odor after that. Then I stuck them in a gallon zip lock and ran 5 minues of ozone. All of that got them about 95% odorless. I'm pretty sure the tiny bit of trace odor will be gone after a while.
This was not a deal breaker for me, I do like the socks. But Hollow shouldn't let their product go out in that condition. The fact that most of the socks you guys got came odorless tells me that it was a particular employee that handled mine right after taking a bath in perfume. That employee should have been placed on janitor duty that day.