Water repellent coating film and product provided with same

A water repellent coating film, comprising:

• an undercoat layer formed on a surface of a base material and including:
• at least one type of spherical particles having an average particle diameter of 2 μm to 50 μm and selected from the group consisting of spherical molten silica particles, spherical molten alumina particles, and spherical silicone resin particles;
• porous particles having an average particle diameter of 1 μm to 15 μm and smaller than the average particle diameter of the spherical particles;
• and
• an underlying resin;
• and
• a topcoat layer formed on the undercoat layer and including:
• inorganic fine particles having an average particle diameter of 2 nm to 20 nm;
• and
• a water repellent resin,
• wherein a content of the porous particles in the undercoat layer is 5 mass % or more and 80 mass % or less with respect to a content of the spherical particles.