TEKO eco RUN 2.0 Enduro Triaxial Merino Wool Running Socks - Light Half Cushion (2026 edition)

Master the miles with the TEKO Enduro 2.0 Triaxial

The definitive high-performance sock for serious runners who demand endurance without compromise. Precision-crafted in Italy, the Enduro 2.0 is engineered for high-mileage training, marathons, and ultra-distance events, providing the perfect balance of elite technical support and environmental responsibility.

Now featuring our revolutionary Triaxial Fit System, these socks utilise a proprietary three-point anatomical lockdown. This secure, non-slip interface moves in total harmony with your foot to prevent movement within the shoe, effectively neutralising the primary cause of blisters. Our unique Merino-Synergy™ fibre—a blend of Mulesing-free Merino and superfine recycled performance yarns—delivers natural thermoregulation and permanent odour resistance, keeping your feet dry and resilient from Parkrun to the peak of a mountain ultra.

With targeted 2.0 cushioning under the foot and heel for impact protection and a seamless toe construction for a friction-free finish, the Enduro 2.0 is built to outlast your toughest training block. Backed by the TEKO Lifetime Guarantee, it is the essential "Responsible Interface" for every road and trail.

Suitable Activities

• Road running and marathon racing

• Trail running and ultra-distance events

• Parkrun and daily training

• Gym, fitness, and high-intensity interval training (HIIT)

Key Features

Technical Specifications

• Collection: eco RUN
• Model: Enduro Triaxial
• SKU: 5502TX
• Cushioning: 2.0 – Light Half Cushion
• Material Composition: 30% Merino Wool, 30% Recycled Polyester, 38% Polyamide, 2% Elastic
• Wool Source: Merino, mulesing-free, chlorine-free
• Height: Low Cut
• Environmental Certifications: OEKO-TEX® Standard 100, REACH compliant
• Manufacturing: Made in Italy using renewable energy
• Care Instructions: Machine or hand wash at 30°C, air dry
• Guarantee: TEKO Lifetime Guarantee against manufacturing faults

Frequently Asked Questions

Why choose merino wool for running socks?

Merino wool naturally regulates temperature, wicks moisture, and resists odour — making it exceptionally well suited to long-distance running where synthetic-only socks can leave feet feeling damp and uncomfortable. The TEKO eco RUN Enduro balances merino's natural properties with Polyamide for the durability running demands.

How does the TEKO Triaxial Fit System prevent blisters?

Blisters are caused by friction between the foot, the sock, and the shoe. Our Triaxial Fit System uses an anatomical design to wrap the foot in three key zones, ensuring the sock stays perfectly in place even during the lateral movements of trail running or the repetitive strikes of a marathon.

Is the Enduro suitable for marathon distances?

Yes — the light half cushioning 2.0 and seamless toe construction make the Enduro well suited to marathon and ultra-distance events, providing blister prevention and comfortable protection without the weight of a heavier cushioned sock.

Are these socks covered by a guarantee?

Every pair of TEKO eco RUN Enduro socks is backed by the TEKO Lifetime Guarantee against manufacturing faults, ensuring long-term confidence in the quality of your running kit.