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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 Black Product Stats
*Compression
 
 
 
 
 
 
 
 
 
 
7
Footbed Thickness
 
 
 
 
 
 
 
 
 
 
8
Durability
 
 
 
 
 
 
 
 
 
 
10
Breathability
 
 
 
 
 
 
 
 
 
 
7
Wicking
 
 
 
 
 
 
 
 
 
 
7
Weight
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
33g
* Overall compression experience relative between Swiftwick products.

PERFORMANCE FOUR Black


Black Compression Socks

SKU: 4A010ZZ_

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Customer Ratings & Reviews
Such a difference
Review by Maurice on Feb 16, 2014
I used to go out on my runs using basic cotton socks. But on longer runs, I got burning feet and I'd normally end up with a blister or two. Not with my new Swiftwicks though. I love how they fit me and how they allow me to push further than before.
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Great for long rides in any conditions
Review by Brittany Warly on Dec 02, 2013
I absolutely love my Swiftwick PERFORAMANCE socks! I used to struggle with foot cramps and blisters during long rides in the heat, and these socks did the trick!
My feet are able to breathe and long rides have become comfortable. I even wear my Swiftwick PERFORAMANCE socks for long runs because the natural compression of the socks helps keep my feet stronger for the next workouts. If you want to be the best, you must train with the best gear. Swiftwick is a great buy and has really helped catapult my triathlon career!
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Keeps getting better
  Review by Dan Tompkins (Maryland USA) on Nov 29, 2013
I purchased my first pairs of Swiftwicks for cycling last year and just added a couple pairs of the Four to my collection. A great add for extra compression and heat on colder runs. The craftsmanship is exceptional.
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My absolute favorite!
  Review by Steven Underwood (California USA) on Sep 16, 2013
I've been running for years, and I've worn lots of different socks. The PERFORMANCE Four is by far my favorite sock. I have no negative criticisms. The fit and performance could not be better. For every long run, every tempo run, and every race I wear the Swiftwick PERFORMANCE Four sock.
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Fantastic Sock
Review by Huntley, Scott on Mar 20, 2013
I've been using the PERFORMANCE Four for about 3 months now. I can't imagine buying another brand of sock every again (unless SW stops making them - and then there will be BIG trouble). Great fit, just the right amount of compression, light weight, breathable (which is important for my here in Florida).

Glad my friend Craig Evans turned me onto this great product!
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