scheduleOur stores and their opening hours
Localisation
Form is being processed

X-BIONIC X-SOCKS RUN EXPERT EFFEKTOR knee socks, black

-14%
48.99  -14%
RRP 57 
Found a better price?
In-store pickup
From 28.01.2026 (Wednesday) Check availability
chevron_forward
delivery_truck_speed
By courier to your home Express courier delivery GLS Express courier delivery DPD
Delivery method on Thursday 29.01.2026
location_on
At collection points
Delivery method on Thursday 29.01.2026
replay
Extended return option up to 100 days More info

X-BIONIC X-SOCKS RUN EXPERT EFFEKTOR knee socks

Experience the pinnacle of functional technology with X-SOCKS® RUN EXPERT EFFEKTOR OTC – high-performance running socks designed for maximum comfort, protection and ventilation with every step.

Thin Mesh structures and extensive Airflow and Air Conditioning zones ensure optimal air circulation, keeping feet dry and cool, preventing overheating and unpleasant moisture.

  • Suppronation® Bandages stabilize the foot and reduce the risk of injury.
  • Toe Protector and Toe-Tip Protector protect toes from bumps and abrasions.
  • Instep and Heel Protectors provide additional cushioning for a smooth and comfortable stride.
  • Roll Support provides even arch support, ideal for long runs.
  • Effector Edition - Increased muscle enduranceSpecial compression zones in the calf area reduce muscle fatigue, support endurance and minimize the risk of cramps, so you can run longer and more efficiently.

Why choose X-SOCKS® RUN EXPERT EFFECTOR OTC? Whether you're training for a marathon, a race, or breaking your personal best, this series will allow you to push your physical limits and focus solely on your performance.

Product details
Sex Men, Women, Unisex
Colour black
Material synthetic material, spandex/elastane
Sport hiking, cross-country skiing, running, ski mountaineering, skiing, trail running, alpinism, climbing
Material composition 87% polyamide, 8% polypropylene, 5% elastane
product ID 340807
Product rating  (0 ratings)
0/5
(0 ratings)
(0 ratings)
(0 ratings)
(0 ratings)
(0 ratings)
(0 ratings)

How do you rate the product?
Add a review
Help others, earn points and shop better prices thanks to the loyalty system
comment Product question

There are currently no questions

Form is being processed
When Swiss precision and scientific knowledge are combined with the Italian approach to clothing production, a unique product is created. This is also the story of the X-BIONIC brand, which redefined the standards of functional clothing around 2000. Today, it has hundreds of awards, Olympic champions and around 800 patents to its credit. You can use X-BIONIC clothing for cycling, running, fitness, hiking, skiing or as a basic functional layer for any movement.

All the answers to questions about delivery, payment, security, returns, warranty and much else.

You may find these products complementary
Why shop with us?
Find out what makes us special
1 000 000+ orders

We are the largest cycling e-shop in Slovakia, verified by 100,000+ customers.

Unique customer service

We are available via e-mail, online chat, phone or in person at our MTBIKER stores.

We actively support the cycling community in Slovakia

Thanks to your order we can support cycling development.

Secure payment methods

The payment process is safe and we offer you a wide range of options.

Loyalty system

We will reward you for your purchase and also for quality contributions in the MTBIKER forum, e-shop, trips and photo gallery.

MTBIKER centre and showroom

Visit our store with a pump-track and trail access or our showroom in a historical bulding in central Bratislava.

navigate_beforeprevious navigate_nextďalší
keyboard_arrow_up