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DeFeet Cyclismo 5in Socks

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Item # DFT000A

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Item # DFT000A

Cycling socks redefined.

The Cyclismo is the result of DeFeet setting out to create the ultimate "modern cycling sock." In other words, DeFeet combined its best materials and innovative fit technologies together in the form of a streamlined, comfortable, and versatile cycling sock design.

The Cyclismo socks were developed in conjunction with a DeFeet-sponsored professional athlete's input, which is why they feature a specific lightweight material and innovative fit attributes. The material used to create the socks is a polyester blend known as ThermoCool, which provides exceptional moisture management, breathability, and soft next-to-skin comfort throughout a wide range of temperatures.

Starting with the toes, DeFeet applied its signature No-Feel-Toe-Seams. This is a construction method that tucks in the seams to ensure that your toes remain comfortable and chafe-free throughout the duration of your rides. At the metatarsal region, "Meta-pads" were built into the Cyclismos. Essentially, this is a lightly padded section at the ball of the foot, which increases comfort through its lightly cushioned composition directly above the pedals.

Reinforced heels add to the socks' overall durability, and lightly compressive five-inch cuffs provide both support and additional coverage around your ankles and lower legs. Additionally, the Cyclismos are left- and right-foot specific.

The DeFeet Cyclismo 5in Socks are available in four sizes from Small to X-Large and in the colors Black/white stripe, Black/red stripes, High Vis/black stripe, Hi-Vis Pink, White/red and blue stripes, and White/black stripe.


  • Lightly compressive 5-inch cuff
  • Left- and right-specific fit
  • ThermoCool fabric (polyester blend)
  • No-Feel-Toe-Seams (tucked-in seams)
  • Meta-pads (lightly padded at ball of foot)

Tech Specs

ThermoCool (polyester, elastane)
5 in
Recommended Use:
Manufacturer Warranty:
1 year

Size chart


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

Socks and Accessories
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
Height <5ft 9in
>5ft 9in
Weight <160lbs
Palm Circumference 7in
How to Measure:
For best results, use a tape measure.
Measure around your hand at the widest point excluding the thumb.

Reviews & Community


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Here's what others have to say...


The best sock with great comfort!

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

I love DeFeet socks because of the great comfort they provide. This sock offers a thin, lightweight solution for cycling. It helps to add no seams and avoids any unnecessary discomfort. Definitely my go to for cycling socks.


Fave cycling sock by far

  • Familiarity:I've put it through the wringer

These are my favorite cycling socks by far, and I've even started using them for running, ice climbing, and skiing! Great durability and breathability.


My Favorite Bike Accessory!

  • Familiarity:I've put it through the wringer

These socks are my favorite because they're breathable but not too cool, so they are a great versatile item to have in your wardrobe. I also love all of the colors that they come in -- pink is the best of course! I love wearing these socks and they definitely make you stand out.

Size: I'm a US 9.5-10 shoe. Should I go...

Size: I'm a US 9.5-10 shoe. Should I go with M or L in this sock?

Best AnswerResponded on

The large sock will fit you best.


Maybe the best DeFeet socks?

  • Familiarity:I've put it through the wringer

I'm a DeFeet fanboy. I probably have more DeFeet socks (all models) than most people. It's a problem. I'm not getting help, SO STOP PUSHING ME MAN!

Sorry for the outburst...


These seem to fit a bit better, and are slightly more compressive, and that's a good thing. Plus the 5" cuffs. Sh*t just looks pro, which is half the battle anyway, right?

And they are thin! No issue wearing them with the tight road shoes. You listening Hincapie?

I'm amassing another CC order right now, and a couple more pair of Cyclismo socks will be on that order.


Love these bad boys

  • Familiarity:I've used it several times

I use these for road riding in SoCal and I have to say after being recommended by a friend and finally getting a pair I truly do love them. No seams, no discomfort, and also reduces hot spots if you get 'em. Great sock--I highly endorse.


Love em

  • Gender:Male
  • Familiarity:I've put it through the wringer
  • Fit:True to size

With a drawer full of cycling socks, these are the ones I always grab. Love the taller cuff and pad on forefoot. Absorbs a fair bit of road vibration. The seams in the toe box are great. Never had a rub or any discomfort with them!

Responded on

How is the fit? If the shoe size is men's 10, which is better M or L? Don't want bunching if Large is too big, but don't want to small w/ the Med. Thanks


Perhaps my favorite socks

  • Familiarity:I've put it through the wringer

The Cyclismos perform almost like a base layer for the foot, consistently wicking away the moisture that's derivative of shoe covers, friction, or just plain-old heat. As a result, I always stay dry, regardless of the conditions. The feel across the mid- and forefoot is exceptional, and the socks' hold on the legs never waivers over the course of a long ride. Easily, though, my favorite aspect of these socks is that the seams are structured externally. Robert Forrester really said it best in that socks have been historically designed counter to logic. With external seams, DeFeet has righted this wrong.

Avg. ride time: 6h 59m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Those socks will make you 2 mph faster

  • Familiarity:I've put it through the wringer

Just kidding.

I do love those socks though. Very comfy, warm when you need this, ventilated when you need that. Nice stretch around the foot and the little metatarsal pad seems to do its job. No hot spots.