Sierra Instruments 822S-M-9-OV1-PV1-V4

Marsoni

M251S

$809.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Sierra Instruments 822S-M-9-OV1-PV1-V4822S M 9 OV1 PV1 V4 Sierra Instruments TOP TRAK MASS FLOW CONTROLLER

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I had expected a more fitted and supportive sock. These were replacing some older ones that apparently UA doesn't make anymore. Next time I will look into a more running specific brand. After wearing them a bit more, the fit is loose, there isn't much compression or support, and the light gray looks unclean. They are soft, but that's about it.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 16, 2026

Verified Purchase

Liz Speno

Omaha, US

★★★★★ 5

Great socks

My husband will only wear 100% cotton socks none of the spandex moisture control etc so these are hard to find in stores but he loves them and they last a while

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 8, 2025