Mercury Lightweight Crew Sock – First Lite Performance Hunting
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Mercury Lightweight Crew Sock
Mercury Lightweight Crew Sock
Mercury Lightweight Crew Sock
Mercury Lightweight Crew Sock
Mercury Lightweight Crew Sock
Mercury Lightweight Crew Sock
Mercury Lightweight Crew Sock
Mercury Lightweight Crew Sock
Mercury Lightweight Crew Sock
Mercury Lightweight Crew Sock
Mercury Lightweight Crew Sock
Mercury Lightweight Crew Sock
Mercury Lightweight Crew Sock
Mercury Lightweight Crew Sock

Mercury Lightweight Crew Sock

Nylon-Merino Construction


Color/PatternCharcoal Heather

The Mercury Crew Sock is specifically designed for early season, warm weather pursuits. The tall, 7" cuff is engineered to lock the sock in place and cushion around mid-height boots. The lower combines breathability across the top of the foot, with added cushioning for off-camber hiking, and a compression arch to lock it all in place.

The Mercury Crew Sock will be available in sizes SM/MD and LG/XL.

Mercury Lightweight Crew Sock Details

Layering Position

  • Next to Skin


  • Sizing: Size 10 and under should order Size Small. Sizes 10 and up should order Size Large
  • Cushioned heel toe and arch
  • Compression cuff and arch lock sock in place and prevent friction
  • Tall, 7" cuff extends to base of calf
  • Increased durability in high-abrasion areas
  • Warm whether dry or wet
  • 58% Nylon / 40% Merino / 2% Spandex

How It's Built

  • Material: Nylon, Merino, Spandex Blend
  • Cut: Accessory
  • Primary Uses:
    • Lifestyle
    • Spot & Stalk
    • Tree Stand
    • Waterfowl
    • Upland
    • Fishing
  • Weight: 3.3oz.

Where to Use

  • Temperature Range:
    • 45F - 60F
    • 60F - 80F
    • Above 80F

Customer Reviews

Based on 7 reviews
Product Size: L
Height: 6'2
Weight: 200
Perfect sock

Love these things. My feet run hot, but they don't get wet even in hot weather with these socks. Cuff is better than their other socks. Buy these ones!

Product Size: L
Height: 6' 1"
Weight: 205
Fit Comments: Perfect Fit!
Location: AZ Mountains
Primary Use: Hunting/Hiking
Eliminated Hot Spots!!!

These socks are perfection!!! After fighting hot spots on my heels all preseason in my new boots, I finally bought a pair of these to try one last solution before giving up on my boots altogether...I couldn't be happier!!! First time out, I put 8 miles on them, and my heels weren't even hinting at a hot spot! They are light enough for the warm early season hunts here in AZ, but still have enough thickness that I imagine they'll be fine into some colder temps. The collar up around the calf holds tight and doesn't slip or bunch at all. As for sizing, I wear a 14-Narrow, so I rarely find socks that fit perfectly! Bought these in L and they were great...the heel was exactly where it was supposed to be, but it still hugged my foot snugly. In short, these are the best socks I've ever hiked in, and I can't imagine I'll ever head out without a pair of FirstLite socks on my feet ever again!!!

Product Size: L
Height: 5’10”
Weight: 210lbs
Fit Comments: The fit and feel are perfect
Location: Mountains
Primary Use: Hiking/Hunting/everyday use
So comfortable

11.6 miles hiked the first time using these socks. The initial fit feels amazing. They’re tight where they need to be and soft in the others. It was very hot on the hike, yet my feet stayed dry the entire time. They didn’t stretch out throughout the day like most socks either. After the hike was done they still stayed up on my calf and didn’t bunch down in my boots. I highly recommend everyone to try these.

Product Size: S
Height: 5’9”
Weight: 180
Fit Comments: Fits great. Stays put
Location: Idaho and New Jersey
Primary Use: All around
So far so good

Currently in the middle of a crazy heat wave in the northeast. Close to 100 degrees here today with above 90 percent humidity. My feet run hot so I wanted to see what these could do. Normally run the compression sock and will work up a sweat even at mild temperatures. Well after a few miles with a weighted pack I can say these did an excellent job of keeping my feet cool and pretty dry. Paired With Crispi Idaho boots they really kept my feet as comfortable as could be expected in this weather.

Product Size: L
Height: 6'3"
Weight: 190
Fit Comments: perfect
Location: montana
Primary Use: all around
New socks....

first off, i have had first lite sock since 2010, and have loved them ever since. every season, i have a pair of FL socks.

recently i have always worn the compression socks, but was SUPER excited that the mercury socks were coming out. once they were on the site, i ordered several pairs.

these socks are 1 piece, no seam, added padding to the toe and heel, arch support, of and did i mention, THEY ACTUALLY STAY ON YOUR CALVES ALL DAY!

Great job first lite!