Ivy league style flat cap sewn with wool. Cap is lined with cotton and has a cotton sweatband. The flexible visor with shape memory is sewn down to the crown. It is a warm and breathable hat made with quality materials. Cap has quite small profile, it does not make wearer's head look bigger.
This model became popular in the early 20th century, mainly in Europe and North America. Good old world craftsmanship from Poland.