TEKO eco TREK 4.0 Merino Wool Trekking Socks - Heavy Full Cushion

Master the most demanding winter trails with the TEKO ecoTREK 4.0—our definitive heavy-cushioned trekking sock. Precision-crafted in Italy, the Trek 4.0 is engineered for winter hiking across the Scottish Highlands, the Lake District, and beyond. Designed for serious outdoor enthusiasts, these socks provide superior insulation and comfort for those using heavy mountaineering boots in challenging cold-weather conditions.

This model is built using premium, Mulesing-free Merino wool that is chlorine-free and Bluesign® certified. By maintaining the natural integrity of the wool fibres, we deliver exceptional thermoregulation and moisture management—keeping your feet warm and dry during multi-day winter treks. Featuring our heavy 4.0 full-foot cushioning, the Achilles Wrap System for a secure fit, and a seamless toe construction, the ecoTREK eliminates friction and prevents blisters. Backed by the TEKO Lifetime Guarantee, it is the essential "Responsible Interface" for your winter adventures.

Suitable Activities:

• Winter hiking and cold-weather trekking & bushcraft

• Mountaineering with heavy leather or technical boots

• Long-distance winter walking and snowshoeing

• Professional outdoor work and woodland management

Technical Specifications:

• Cushioning: 4.0 Heavy Full Cushion

• Material: 65% Merino Wool, 33% Polyamide-Nylon, 2% Elastic

• Height: Crew (Mid-calf)

• Fit: Anatomical Left/Right specific with Achilles Wrap System

• Origin: Made in Italy using 100% renewable energy