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DeFeet Thermeator Hollow Core 6in Socks

Sale $8.97 - $14.95

Item # DFT000Z

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  • Black/Graphite, S ($14.95)
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  • Black Grenn/Pink, S ($14.95)
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  • Black Grenn/Pink, L ($14.95)
  • Black Grenn/Pink, XL ($14.95)
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Item # DFT000Z

Harvested from space sheep.

The Thermolite polyester at the heart of DeFeet's Thermeator Hollow Core 6-inch Socks are a synthetic version of merino wool. If extraterrestrial sheep aren't just fantasies of our winter-addled minds, they'll probably be covered in something like it. Thermolite works by creating pockets of trapped air in its hollow core yarn, which serve as extra insulation between your feet and the very real cold of winter, keeping your feet from freezing into numb clubs during those cold-weather base miles.

Thermolite is also breathable, it wicks, and it dries quickly, and the mesh instep only enhances these qualities. The gently compressive arches add support, and a touch of Lycra gives the socks an accommodating stretch.

Tech Specs

Material:
66% Thermolite polyester, 32% nylon, 2% Lycra
Height:
6 in
Recommended Use:
winter riding
Manufacturer Warranty:
1 year

Size chart

DeFeet

Use your US shoe size to find the right sock size.

Socks and Accessories
Socks
XS S M L XL
US Men7-99.5-11.512+
US Women6-88.5-10.511-13
EU 36-39.5 40-42.5 43-45.5 46+
Kids 10.5-13
ArmSkin
S/M M/L
Height <5ft 9in
(175cm)
>5ft 9in
(175cm)
Weight <160lbs
72.5kg
>160lbs
72.5kg
Gloves
SMLXL
Palm Circumference 7in
(18cm)
8in
(20cm)
8.5-9.5in
(21.6-24.1in)
10.5-11.5in
(26.5-29.2cm)
How to Measure:
For best results, use a tape measure.
Gloves:
Measure around your hand at the widest point excluding the thumb.

Reviews & Community

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Keep Feet Toasty Sans Shoe Squeeze

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

I bought these for cold-weather rides (below 55F) because they are really warm, while staying pretty slim on your foot (read: not beefy). The problem with wearing most merino wool socks in cycling shoes is that they're usually far to thick on your foot, which compromises the shoe's fit and that makes your feet both uncomfortable and cold. Ouch!

I like that these are fairly plain socks, and since my kit is red, I ordered the black ones with the red tab on the back for a touch of fantz.

The construction seems really solid on mine so far. I own Darn Tough, Smart Wool, Swiftwick, and these seem just as solid as those.

I wear a size 13 shoe (47 cycling) and the XL is perfect.

Avg. ride time: 5h 50m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Good warm socks

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

Good product for winter rides. I still need shoe covers under 40 but these keep me toasty up until then. Missing the last star because they show signs of wear pretty quick, like threads pulling out, but still are holding up well.