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Winter Socks EKOI Perf CARBON FIBER PRIMALOFT 11 cm
The model that blends a low-bulk feel with thermal insulation
Built with over 50% Primaloft® hollow fibers, these socks are a go-to for all your cold-weather rides, from training to race day.
The Primaloft® fiber is engineered to deliver an optimal balance of thermal insulation and moisture management, with a breathable, ultralight, highly compressible structure.
Reinforced with a durable Carbon finish and an antibacterial treatment, these socks provide a true second-skin fit, perfectly conforming to the foot’s contours.
THERMAL INSULATION PRIMALOFT®
Active foot warmth, effective down to a windchill of -5°C
Optimal moisture wicking of sweat
Drying very fast
CARBON FIBER - HEAT CONDUCTIVITY
Thermoregulatory properties
Durability and support enhanced (heel and toe)
Antibacterial properties to prevent odors
3 SIZE OPTIONS
11 cm: ankle height
18 cm: mid-calf
29 cm: below the knee
ROAD - MTB - GRAVEL -
T°: down to -5°C
GOOD TO KNOW: at around 30 km/h, the windchill (feels-like) is about -9°C when the ambient temperature is 0°C.
EKOÏ TIP: below 0°C, we recommend pairing these socks with overshoes Ekoï.
55% Polyester - 26% Polyamide - 17% Polypropylene - 2% Elastane
Hand wash or machine wash at 30° max
No fabric softener - No tumble drying - No ironing.
Design: FRANCE
Knitting - printing - assembly: ITALY 
Back to the product
| Size | Shoe size |
|---|---|
| XS | 35-38 35-38 |
| S/M | 39-42 39-42 |
| L/XL | 43-47 43-47 |
of which 1 in your language
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David S. 05/12/2025 Age: 65+ Level: Advanced Convenient: RoadCosy socks
Perfect for fitting under winter over booties (also Ekoi's)
What is a pre-order?
This is a purchase for a product that will be available soon, and which allows you to reserve this product.
Simply follow the usual purchasing process: add the product to your cart, enter your shipping and payment information, then confirm your order.
Upon receipt of the products, your order will be prepared as soon as possible and we will keep you informed by e-mail (please also check your spam mails)
What if my order contains products in stock and in pre-order ?
Products in stock and products on pre-order will be shipped all together, when all products are available.
ENTIRE site at -60%* until Tuesday, July 28, 2026 at midnight
Don’t miss this last chance to get your in-season cycling gear at an exceptional price.
Hurry up, before the finish line
Shipping information for : United Arab Emirates
At home
$28.52
Our return policy allows you to return your products in new condition (unworn, unwashed), with tags attached and in their original packaging within 30 days.
The return costs are totally free*.*Valid in Austria, Belgium, Canada, Czech Republic, Denmark, France, Germany, Italy, Japan, Luxembourg, Netherlands, Poland, Spain, United Kingdom, United States.
Make your request :
If you comply with the return conditions, just go to your customer account and then click on
My return
- Select the order concerned by the return*
- Check the quantity of the product(s) you wish to return to us.
- Select one of the following options : Credit note, Exchange or Refund.
- Once the return request has been completed you can prepare your pack and send it.
*If the order is no longer available, you do not respect the return conditions (return within 30 days)*
Prepare your parcel :
- Add a copy of you invoice in the pack or write your details
- Return the product(s) with the labels attached and in their original packaging
- Helmets and glasses MUST be returned in a rigid, reinforced cardboard box. Any return in soft packaging will result in the immediate return of the product without exchange or refund. In the event of failure to comply with this instruction, Ekoï declines all responsibility for the condition of the product.
- If you want to return a product on your own within the UK, you can send it to the following address: Brian Smith / Ekoï UK, c/o 86 Elm Grove, Orpington BR6 0AD, UK. If your are based in Europe, you can send it to the following address :
EKOI
146 chemin du drap
83480 PUGET-SUR ARGENS
France
On receipt at our warehouse the pack will be dealt with within 5 working days maxi and the refund or credit made at the same time.
In case of refund, the amount will be sent back by reverse transaction.
In case of instalments, the amount will be deducted from the last payment
Our return conditions allow return of your new products (not worn during training or washed), with the original labels and bags. Customers have to inform us of the return online within 30 days after receipt of the order and have 30 days maxi to return the articles.
Items tried to check the size are not considered like worn. We reserve the right to refuse a return if it is damaged or for hygienic reasons.
In case of refund, the gifts offered with the products must also be returned (mentioned on the invoices,
All customised items cannot be returned. (glasses, prescription glasses, helmets...)
The bags containing the product (s) to be returned must not be stapled (risk of damage of the product
For the return of shoes, the soles must not be marked, either by placing cleats, or by walking on an abrasive surface.
First of all check with your tracking n° if the pack has been delivered to our warehouse or not.
If so, it will be dealt with within 5 working days maximum.
