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Sums Reviews

4.9 Rating 1,394 Reviews
97 %
of reviewers recommend Sums
Great service and quick delivery! Socks feel amazing and fit great. Just sad I wore n the rain on my first run and the white socks are now covered in mud which won’t disappear! Any advice on removing welcome!
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Posted 3 weeks ago
Super quick delivery, and socks are of amazing quality!
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Posted 3 weeks ago
Great deals. Fantastic customer service. Recipient said the running socks were brilliant and better than any they had worn before.
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Posted 3 weeks ago
Sum really sums up what a premium hiking and running sock should be. While they are quite snug and require a bit of effort to pull on, that tight fit is exactly what makes them stay in place. Once they grace your foot, the comfort and support are amazing. Definitely worth the extra few seconds in the morning!
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Posted 3 weeks ago
Love the quality and fit and honestly look forward to slipping me feet into these socks. I got the Ascenders and they are lush AND yes no blisters on long runs and ultras. Thank you Sumsclub. A very happy customer.
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Posted 3 weeks ago
My parcel was lost, and sums offered replacement in lightning time. After the 1st run, these sockies became a favourite for both my partner and me. Keep the feet cool and feeling fresh throughout long and fast runs. Customer service was amazing and fast to answer as well! The only thing I would improve is choosing a reliable courier company, so the parcels are not stolen/lost and delivered on time.
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Posted 3 weeks ago
Acquired a disastrous blister at a trail Half, which I spent two weeks taped up when running, trying not to aggravate it further prior to another Half the week later. Sums arrived… felt soft, but snug. Don’t wear new things on race day they say… I did it anyway. No regrets. Bad toe was nice and snug in a seemfree sock, no aggravation. Didn’t feel a thing, other than comfort for 13 miles. Looking forward to my next pair!
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Posted 3 weeks ago
Socks are unbelievable. Got gifted 1 pair and ended up buying another 3 for every day I run. 1 pair came with two R socks. Emailed customer care and they sent me the correct pair no questions asked. Very happy
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Posted 3 weeks ago
Got a few pairs of the all seasons socks and I can’t fault them. No matter what distance I run whether it’s 5k or 20k my feet are sound.
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Posted 3 weeks ago
Bit on the expensive side but good quality and comfortable. Only negative is that they are very tight and can be quite difficult to get on
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Posted 3 weeks ago
Honestly the best socks I’ve ever worn. I wear them for casual walks, running and just for pure comfort. Highly recommend.
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Posted 1 month ago
The best running socks I’ve had and the team at Sums are brilliant to deal with. I do the £15 subscription and really wanted the Projeto Portugal which the team delivered me this month, plus I’ve got my Strava linked to my account and it’s building up a tidy little amount in credit to use on the site. Super happy and a Sums runner for life!
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Posted 1 month ago
Love them. Comfortable and snug. I really look forward to that new sock run.
Sums 5 star review on 9th February 2026
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Posted 1 month ago
Excellent compressive socks. The quality of the weave is really high and consistent across styles. The merino socks are cosy but not overly thick, so there's no loss of space in the shoe in the winter months. the lighter styles have got really good ventilation where you need it, with extra weave and support where it counts. And they look great! All my other running socks are looking a little ignored since these ones arrived.
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Posted 1 month ago
I switched to Sums Socks over a year ago! Since then I’ve not had any issues with my feet, even after a 24hr race!
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Posted 1 month ago
Great delivery time and the socks are great quality and look the part. Very happy indeed 😎
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Posted 1 month ago
Excellent compression socks! Brilliant quality!
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Posted 1 month ago
Absolutely love Sums. No blisters, no rubbing, and no overheated feet. Highly recommend.
Sums 5 star review on 6th February 2026 Sums 5 star review on 6th February 2026
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Posted 1 month ago
Extremely good quality - look good, feel good, run good, do good
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Posted 1 month ago
Amazing socks, last a long time and blister free. Wonderful customer service too!
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Posted 1 month ago
Sums is rated 4.9 based on 1,394 reviews