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and advanced ventilation for freshness even during the most intense challenges
thermoregulation
Thanks to High-5 technology
The Melange style is perfect for autumn and winter challenges
keep the skin dry
Biotrek Heavy Duty Socks special-price-USD_1 and advanced ventilation for freshnessFor maximum protection and comfort in every step, Biotrek Heavy Duty combines Merino wool and Kapok fiber for exceptional thermal regulation, while Natex fiber, derived from castor seeds, keeps feet cool and dry during high altitude adventures.
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