Use the table below to match your UK, EU, or US shoe size to the correct Moggans sock size. Our Merino wool socks are designed with a precise fit to prevent bunching and blisters, whether you're hiking, running, or going about your day. If you're between sizes, we recommend sizing up for maximum comfort.
Small
Medium
Large
XL
UK
2 - 4.5
5 - 7.5
8 - 10.5
11 - 13.5
EU
36 - 38
39 - 41
42 - 44
45 - 47
Ultralight Merino-blend ankle socks for road running, faster training, long runs, half marathons and marathon racing, with minimal bulk and coverage above the shoe collar.
Quantity
Product Description
Features
Targeted, lightweight cushioning and reinforced heels and toes add protection where needed.
Midfoot compression supports the arch and helps prevent slippage over long distances.
Ventilation mesh and an ultralight knit help keep feet cool and dry in hot weather.
Mulesing-free Merino provides natural temperature regulation, moisture management and odour resistance.
An invisible, low-bulk toe seam and secure fit help reduce chafing, irritation and friction-related hotspots.
Details & fit
Height: ankle. Cushioning: ultralight with targeted zones.
Choose your usual size; consult the size chart if between ranges.
Suitable for road and trail. Choose No Show for minimal visible sock and the lightest feel, or crew height for more protection from trail debris.
Machine wash on delicate cycle (max 30˚C), using an eco-friendly delicate washing liquid. Personally, we recommend Nikwax Woolwash and a max spin of 400rpm.
Customers praised these ultralight running socks for exceptional comfort and blister prevention. "Best discovery of 2026!" said one reviewer. The breathable, cushioned design dries quickly and stays cool. Some found the elastic tight and suggested a higher cuff. Highly recommended for marathons and long-distance activities.
5 stars: 29 (100%)
4 stars: 0 (0%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 0 (0%)
J
Janice Biggs
I love my Moggan socks so much. Just did my second Camino, using last years Moggan socks and my new lighter ones. It rained- they dry so quickly. Cool yet padded just where you need it. Not a blister in sight.
M
Mark C
Bahamas / Medium / 5 - 7.5
Loyal customer - haven’t tried these before but they are great. Warm and comfortable.
K
Kevin Milkins
Teal / Large / 8 - 10.5
Great product as always
J
James
Teal / Large / 8 - 10.5
Great quality socks delivered quickly for a fair price
S
Steve James James
Purple / Large / 8 - 10.5
Great socks. Great customer service.
E
Emma
Blue Surf / Medium / 5 - 7.5
Love, love, love these socks. Best discovery of 2026!
Great to hear, Emma. Thanks for taking the time to tell us. Team Moggans.
A
Anonymous
Teal / Small / 2 - 4.5
Love the socks. Use them with trainers..
Thanks Sylvi — delighted you like them. Team Moggans.
C
CC
Teal / Medium / 5 - 7.5
I've been searching for socks that are cushioned but not too warm..Ones that will dry easily if they get wet...it's hard to find the perfect socks for multi day adventures but these are pretty close!! :-)
Good to hear, Cc — thanks for giving the Ultralight SPEED Ankle socks a proper test. Warm feet when the weather turns wet is Merino earning its keep. Team Moggans.
m
mardybummum@gmail.com Haver
Black / Medium / 5 - 7.5
I originally bought Moggans for running in but they've become the only socks I ever wear now. I love them. I've got most varieties now. Never get blisters. Won't buy any others for any activities - running, walking, gigs etc.
Thanks Mardy. This is exactly the sort of real-world feedback we value. Feedback from people using the kit properly is what helps us keep improving it. Team Moggans.
M
Mike
Blue Surf / Large / 8 - 10.5
Love the style and colour of these socks. Comfortable around the sole area. I find the elastic just a little strong and perhaps my benefit from a slightly higher cuff?
Mike — thanks for taking the time to share this. All-day comfort is exactly what we want from them. Team Moggans.
D
Dylan Parry
Bahamas / Extra Large / 11 - 13.5
Excellent pair of socks which I put to the test, in combination with NNormal Cadi trail running shoes, on the North Wales Pilgrim's Way last week. Fit like a glove and very comfortable on demanding terrain.
S
Shirley Steed
Bahamas / Medium / 5 - 7.5
Comfy socks great for running and long distance walking 👍
C
C.
Excellent product, no issues.
D
Daisy.S.
Amazing Socks, Great quality. I wear these socks every day and they’re so comfy and you don’t get cold in them or too hot. They’re amazing to do long runs in and you don’t get any blisters! I would recommend these socks.
M
Margaret
Blue Surf / Extra Large / 11 - 13.5
These were a gift for a friend running in the London Marathon.
They were well recieved
J
Janice Biggs
Blue Surf / Medium / 5 - 7.5
Love them. Cool and just the right amount of padding. All ready for my second Camino walk. Thankyou
D
DAVID PORTER
Purple / Large / 8 - 10.5
Superb fit and comfy feel. Lovely to run in; cool, non-slip and look great. Only worn on a couple of runs so far, so I won't comment on durability. But, all my other Moggans socks have been great, these might be the best of all.
Thanks so much — really appreciate that.
Great to hear the fit and feel worked well on the run, and that they stayed cool and secure underfoot. High praise to say they might be the best yet — that means a lot. We’ll look forward to hearing how they perform over the longer term.
Team Moggans.
A
Annette G
Bahamas / Extra Large / 11 - 13.5
I bought these as a gift having recently purchased the same socks for myself. Based on my experience of the socks where I found them to be warm and very comfortable to run in I am sure they will be well received.
C
Claire Liddle
Teal / Medium / 5 - 7.5
Wonderful from start to finish. Quick dispatch, super product and a lovely thoughtful note inside. Already planning my next purchase!
M
Martin Gore
Bahamas / Large / 8 - 10.5
I wore then today for the first time on a hard 15k run in the rain. They felt great the whole run and no blister even though feet were soaked.
R
Richard Smith
Purple / Medium / 5 - 7.5
Love the pattern in these socks. Moggans socks are well made and so comfortable.
S
Sophie Mifsud
Purple / Medium / 5 - 7.5
I've been wearing Moggan's socks for a few years now. I won't run in anything else. These new ultralight socks are very comfy and wash well. Hopefully they will do me well in the Marathon des Sables next week!!
A
Anonymous
Purple / Large / 8 - 10.5
Very comfy, padded sole and breathable upper.
M
Maria
Teal / Medium / 5 - 7.5
Loved the ultralight ankle socks, super comfy and kept my feet nice and cool. I’ve never had an issue with blisters since switching to Moggans socks either. 10/10 they’re great
Thanks for the feedback Maria. We are delighted you like the Ultralight ankle socks .... music to our ears.... Team Moggans
D
Darren
Teal / Large / 8 - 10.5
What can I say? As an advocate for Moggans socks for over 4 years now and even those I’ve bought haven’t worn out yet, I was pleased to get my mits on these new Ultralight ankle socks. Straight out the package I could tell they were going to be great. Really soft material, they hold up well to a good battering on roads and trails and they don’t slip when wet from rain or tramping through boggy wetland. No blisters!!!! Four weeks in and they’ve been given a good testing and the Ultralights are worth every penny. Light, very comfortable, don’t slip when on feet, dry out quickly, no smell, comfortable as an old shirt. Get ‘em bought and thank me later. Great work, Moggans guys.
Darren - we really appreciate your feedback & the support you have provided by supporting a UK business, delighted you are enjoying the journey as much as we are, it does feel like you are climbing a mountain at times but when you get feedback like this if makes the whole team very happy. Thanks Darren. Team Moggans.
A
Anonymous
Blue Surf / Extra Large / 11 - 13.5
Out of the packet first wear was very good . True to size and very comfortable.
Will re review after washing
Thanks Kim appreciate the feedback.
A
Allan
Purple / Large / 8 - 10.5
Great fit, nice wicking
Wash well and stay nice and soft.
Recommended.
H
Hannah
Purple / Small / 2 - 4.5
Fab socks. fit true to size, super comfortable, justamazing
M
Michelle
Purple / Large / 8 - 10.5
Really, REALLY comfortable and love the new colours!!
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i am impressed with the service, I bought the wrong socks and wanted to swop them. i was emailed back the very next day, this was no problem. in the end i decided to gift them as Christmas presents and buy the ones I wanted
My Moggans socks performed very well on last week’s ultra in the Balkans. Not a sign of a blister or hot spot. All around comfort. Thanks! A great product.