Ventilation system for sports shoe comprises air chamber built into sole into which air is sucked from outside shoe via valve and pumped via second valve and outlet through insole into shoe

摘要

The ventilation system for a sports shoe comprises an air chamber (4) built into the sole. Air is sucked into this via a valve (3) from outside the shoe. This air is then pumped via a second valve (8) and outlet (9) through the insole (10) into the shoe.