How are Andrew - Hotfly wading boots made?

www.1000flies....
MADE IN ITALY
The ANDREW CREEK are technical wading boots of superlatives, for fly fishing in alpine environment, characterized by torrential mountain creeks, rocks, often long walks before fishing and sometimes also necessary climbing. These wading boots are relatively stiff due to their field of use in alpine terrain. Nevertheless, they are comfortable to wear and provide maximum protection and safety in difficult terrain. These wading shoes are 100% made in Italy. The CREEK is designed for guides and all those fly fishermen who do a lot of fishing trips in mountainous surroundings and prefer a technical wading shoe that is almost indestructible.