Red cotton hat with white polka dots. Worn by Will Steger on his 1986 Steger International Polar Expedition, where Steger, along with Minnesotans Ann Bancroft and Paul Schurke, trekked by dogsled to the North Pole. This month marks the 25th anniversary of this historic expedition.

Steger and members of the original team will speak at the History Center on Tuesday, May 17, 7 p.m.