Stay Warm Outdoors Every Day
Cold feet ruin adventures and slow you down quickly. Threo ski socks use thick cotton for lasting comfort in chilly conditions. Special fibres keep skin dry, so walking feels easy.
All-Day Cosiness
Soft materials gently hug your skin and prevent discomfort. Enjoy every winter sport and outing without any irritation.

Moisture Control
Sweat dries fast, so feet stay fresh all day long. No dampness or sticky feeling during any active play.

Durable Grip
Anti-friction design helps reduce slipping in boots or shoes. Move confidently on snow, trails, or busy streets.

Size guide

MEASURE YOURSELF:
Stand in your bare feet with your heel against the wall.
Place a ruler on the floor parallel to your foot with the end of the ruler against the wall.
Find the length from the wall to the end of your longest toe.
| SIZE | US | UK | EU | FOOT LENGTH | |
|---|---|---|---|---|---|
| cm | inch | ||||
| M | 4.5-6.5 | 3-5 | 35-38 | 22.2-23.9 | 8.74-9.41 |
| L | 6.5-9 | 5.5-8 | 39-42 | 24.3-26.5 | 9.57-10.43 |
| XL | 10.5-13 | 9-12 | 43-47 | 27.3-29.8 | 10.75-11.73 |
| Size | US | UK | EU | Foot length | |
|---|---|---|---|---|---|
| cm | inch | ||||
| 35 | 5.5 | 4 | 35 | 23 | 9.06 |
| 36 | 6 | 4.5 | 36.5 | 23.5 | 9.25 |
| 37 | 6.5 | 5 | 37 | 24 | 9.45 |
| 38 | 7 | 5.5 | 38 | 24.5 | 9.84 |
| 39 | 7.5 | 6.5 | 38.5 | 25 | 10.04 |
| 40 | 8 | 7 | 39 | 25.5 | 10.04 |
| 41 | 8.5 | 7.5 | 41 | 26 | 10.24 |
| 42 | 9 | 8 | 42 | 26.5 | 10.43 |
| 43 | 9.5 | 9.5 | 43 | 27 | 10.86 |
| 44 | 10 | 10 | 44 | 28 | 11.22 |




















M***C (verified buyer)
New Zealand
Nice warmth and grip for weekend snowshoe trips.
R***Y (verified buyer)
New Zealand
Great for sledding with the kids, stay dry.
C***B (verified buyer)
New Zealand
I wear these on my motorcycle rides in cold weather. Even at highway speeds, my feet stay warm, and I don’t feel that awful damp chill anymore.
D***R (verified buyer)
New Zealand
I bought these for my daily winter walks with the dog. They keep my feet toasty and dry, even when the sidewalks are slushy and wet.
H***T (verified buyer)
New Zealand
Used these for snowboarding and was surprised how comfy they felt inside stiff boots. No rubbing, and my feet stayed dry from morning to dusk.
A***G (verified buyer)
New Zealand
Good warmth on icy mornings walking to work.
M***J (verified buyer)
New Zealand
I work outside at a construction site, and these socks have been a game changer. My feet stay warm, and they don’t slide around in my work boots.
K***D (verified buyer)
New Zealand
I use these for winter hikes. The grip inside my boots feels solid, no bunching, and the sweat seems to disappear instead of soaking the fabric.
O***H (verified buyer)
New Zealand
Got a few pairs for our family sledding day. The kids stayed happy longer because their feet stayed cosy and dry, and my own boots felt much nicer.
J***N (verified buyer)
New Zealand
Soft, cosy socks that feel great in boots.