US Patent 12016434 Footwear cooling system

A footwear cooling system includes a main airflow tube and first and second secondary air flow tubes positioned in respective air inlets in the front of a shoe. The first and second secondary air flow tubes join the main air flow tube at respective acute angles at a junction positioned a selected distance behind the main air inlet. The portion of the main airflow tube in front of the junction and the first and second secondary air flow tubes each have a plurality of air ducts formed on their side surfaces. The main air flow tube is connected to a fan which pulls air in from the main and secondary air inlets and exhausts air out of the rear of the shoe.