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Shoe size reference
SizeSMLXL
Men3-5.56-9.510-1313.5-16
Women5-7.58-1010.5-1414.5-16.5
Euro35-3739-4243-4647-49
PERFORMANCE FOUR White Product Stats
*Compression
 
 
 
 
 
 
 
 
 
 
7
Footbed Thickness
 
 
 
 
 
 
 
 
 
 
8
Durability
 
 
 
 
 
 
 
 
 
 
10
Breathability
 
 
 
 
 
 
 
 
 
 
7
Wicking
 
 
 
 
 
 
 
 
 
 
7
Weight
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
32g
* Overall compression experience relative between Swiftwick products.

PERFORMANCE FOUR White


Synthetic Compression Socks

SKU: 4A020ZZ_

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Customer Ratings & Reviews
PERFORMANCE 4 - All time best cycling sock
  Review by Daniel Driscoll (South Carolina USA) on Sep 14, 2013
The PERFORMANCE 4 is, without question, the finest cycling sock made.
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Great socks!
Review by lucas Smallidge on Sep 07, 2013
Best and most comfortable socks I have ever worn, ordered a pair then bought 5 more. Greatest socks ever! I have been wearing them for weeks and no signs of wear. They breathe great and the compression is really comfy!
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PERFORMANCE FOUR, the ULTIMATE sock!
Review by Jonathan Copsey on Jul 28, 2013
This sock is my sock of choice when both competing and practicing. I've ridden these socks to 5 National Paralympic Road Championship titles, and uncountable trips to the grocery store. Whether I'm out riding the roads or even relaxing at home, the PERFORMANCE FOUR is the best fitting, most comfortable, and highest quality sock I've ever worn. I even wore them to a wedding one time and was scolded by my date for not wearing dress socks. Obviously, she didn't understand how amazing these socks are!
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My new long course sock
  Review by Christopher Stock (Virginia USA) on Jun 05, 2013
The reviewer has last purchased this item on Sep 16, 2013
I had been using these socks for cycling during cooling rides for the past several years which worked great. Recently moved up to Ironman distance racing and decided to give them a whirl on my long runs to provide some extra support. I was immediately hooked on these for running now as well and will be my go to race socks for 70.3 and Ironman distance racing. Support comfortable and extra compression support in the ankles to help hold everything together.
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Best All Around Sock I've ever worn
  Review by Haglund, James (Pennsylvania USA) on Oct 22, 2012
Once upon a time I ran 90-100 miles a week and competed in spikes without socks, it was a feel thing but as I've gotten a bit older, a bit slower, and a bit more concerned with not ripping my feet to shreds, I've worn quite a few different socks both running and riding my bike and never found socks I really loved.

Until now.

I just picked up a pair of the PERFORMANCE four socks on a friend's advice and I've been wearing them more and more (and buying more of them to facilitate the habit) any time I am going for a longer run or a harder one or a long ride or any kind of outing where I want my feet to be comfortable. I wore the PURSUIT fours all day long at a XC meet while I was coaching, then hours and hours later went for a run and didn't feel the need to change the socks. They weren't swampy, they hadn't gotten all bunched up and gross from me sweating in them all day, and I've never had a pair of socks that could stand up to that.

I've now worn the PERFORMANCE four in workouts and races and it is predictably fantastic every time. Nary a blister or hot spot to be found and long gone are the days when I would finish a workout on the track with blood dripping out of my shoes.

Who knew socks could be this great!
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