Women's Running Socks

Regular price €34,90 Sale price€27,00
Tax included.

Size chart






US 4-5.5 6-7 7.5-8 9-10
UK 3-3.5 4.5-5 6-6.5 7.5-8

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Shipping costs from €7, depending on country. Shipping time approximately 3-6 days.

Free Switzerland Shipping on orders over CHF150. Shipping time approximately 4-5 days

Free US shipping on orders over $200. Shipping time approximately 4-6 days


Developing the ultimate functional sportswear is not enough for us. Our goal is not only to provide you with the best gear in the high performance sports world, but also to ensure that your investment meets all your needs, requirements and expectations while performing at its best. We offer a two-year X-Bionic warranty on our revolutionary products.


Running has never been easier than with the X-BIONIC® SOCKS XBS.EFFEKTOR RUN 4.0 WMN. The footbed of these running socks work effectively with every step to keep your performance levels up. It does so by specifically stimulating the soles of your feet. The brain reacts by sending out more messengers, resulting in acceleration of the metabolism and improved circulation. You'll leave blistered and chaffed feet in the past with the X-BIONIC® SOCKS XBS.EFFEKTOR RUN 4.0 WMN. Designed to take female athletes to the next level the sock integrates the 3-Expand LadiesStripes and the Narrow Arrow Construction which are specially shaped to fit the anatomy of the femalefoot. They are manufactured on special knitting machines to suit the narrower shape. A patented system of cooling channels ensures that your foot remains at the perfect working temperature mile after mile. A total of 15 patents and technologies for Stability andAir Conditioning are integrated into the running sock to optimize your performance.


Polyamide (86%) Polypropylene (8%) Elastane (6%)