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Sums Reviews

4.9 Rating 1,405 Reviews
97 %
of reviewers recommend Sums
I've got plenty of pairs of SUMS for my usual running, but my feet were starting to get a bit chilly so I grabbed a pair of the merino wool. Not disappointed, feet felt cosy over my long run without getting sweaty. Essential part of my winter kit!
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Posted 1 month ago
Bought as a present for my husband who is currently training for a long distance fell race. He’s very happy with them! Thank you.
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Posted 1 month ago
Great quality socks, and great service
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Posted 1 month ago
Top socks great ethos
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Posted 1 month ago
so far so great!! no blisters and no soreness! was skeptical at the thin feel of the material but it’s actually magic
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Posted 1 month ago
Top tier performance socks!! For me one of the best!
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Posted 1 month ago
The best - feel the socks give my feet extra strength and know I won’t get blisters. Love my new ‘weightless’ hat - stylish and very practical
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Posted 1 month ago
I didn’t realise that good socks were going to make such a difference to my running… these are incredible! My feet feel secure but not crushed, supported and fresh for every mile! I’m a huge fan, and will be buying more!
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Posted 1 month ago
One of the best all round socks no blisters good support I rate them highly 👍😊
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Posted 1 month ago
10/10! First run with the socks was a 12 mile run on the Cornish coast path which was mainly hills, puddles and rough terrain and didn’t get one blister. I’ll be buying a new pair soon!
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Posted 1 month ago
Cool socks, great fit. I'm hooked! 😁
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Posted 1 month ago
Great socks, comfy, durable, good for long distances even 100 milers
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Posted 1 month ago
High quality. Fair price. Enough said.
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Posted 1 month ago
I was recommended these socks by a friend and they have not disappointed. They feel really nice on my feet whether it be a short or a long run. Very supportive material, a nice anmount of compression and nice to look at too!
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Posted 1 month ago
Love running in these socks, we’re all in the wash when I went on a run and wore a normal pair of branded socks and gave me a blisters after two runs in shoes I always run in.
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Posted 1 month ago
Got me through plenty of runs and a good few ultra’s now with no complaints at all
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Posted 1 month ago
Superb - used them in the wet soggy trails in West and Mid Wales for trail running. Even when wet - my feet have been warm, whilst grit and trail debris seems to be absorbed and prevented from aggravating the foot. A long pair next 🤗
Sums 5 star review on 24th January 2026
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Posted 1 month ago
Really comfy and good quality running socks. No blisters and would highly recommend for long distance running!
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Posted 1 month ago
I bought a few pairs of Sums socks as Christmas presents for runners in my family. They all love them and wear them whenever they run! Wonderful socks for great value.
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Posted 1 month ago
I have a 4 or 5 pairs of the all seasons but when buying a gift for a family member thought I would try the merino socks. They’re excellent. I have a trail run in Dartmoor this weekend and they have been packed for the race.
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Posted 1 month ago
Sums is rated 4.9 based on 1,405 reviews