The Trek Air is equipped with specific protections for the heel, Achilles tendon, and toes: the Trek Air guarantees perfect comfort for your hikes, from the most classic to the most extreme.Ergonomic protections for the toes, heel, and Achilles tendon, for a comfortable fit.Non-compressive constriction for excellent sock support: long-lasting protection against friction and blisters.A ventilated construction, ensuring optimal drying and excellent ventilation.
