The Trek Air features specific protections for the heel, Achilles tendon, and toes: the Trek Air guarantees you perfect comfort for your hikes, from the most classic to the most extreme.Ergonomic protections at the toes, heel, and Achilles tendon, for a comfortable interface.Non-compressive tightening for excellent support of your sock: a durable protection against rubbing and blisters.A ventilated construction, ensuring optimal drying and excellent ventilation.
