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FITS designed the Performance Trail Quarter Sock for folks who demand serious performance from all their gear. The Performance Trail Sock cushions, protects your foot from rocks and trail debris, and promotes airflow to keep you dry and comfortable while you bike, hike, run, trek, or fastpack.

  • Dynamic Toe Cup conforms to the natural shape of the toes with no excess material to rub and chafe
  • Y-shaped Heel Lock creates a deep pocket for the heel so the sock doesn't move around or lose its shape
  • Full Contact Cuff hugs your leg so the sock stays in place all day
  • Lightweight design with a cushioned toe, heel, and bottom of foot to absorb shock and pressure
  • Vented upper and instep to keep air flowing so your foot stays dry and comfortable
  • Double-welted top prevents slipping
  • Color-coded toe seams so you don't forget your style or size
  • Performance length cut falls just below the calf

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Here's what others have to say...

4 5

First FITS sock the wool

  • Familiarity: I've used it several times
  • Fit: True to size

This is my first purchase of FITS socks. I love smartwool socks and I have some of the wool feetures, so I thought I'd give these a try. While I'm still partial to the smartwool, the FITS fit just as well and the fabric is super-comfy during the run/ride and afterwards. Mine are a bit plain, but that's probably just because -- well -- I bought the plain ones. I'll probably be buying these whenever I see them on sale. I didn't have the sizing problems described below.

4 5

be careful on sizing...

  • Gender: Male
  • Familiarity: I've used it several times

This sock has what the manufacturer calls a "full contact fit"with a pronounced cupping in the heel. Since I ordered my "normal" size (large) without verifying the sizing the socks I got have a "very full contact fit". Other than the tight fit, I have no issues with the socks.