Ski historian Glenn Parkinson, author of First Tracks, a book about the early days of skiing in Maine, will set the tone on the trails in old togs and old gear. An expo of classic clothing and equipment from the '30s will be held in the base lodge 2 to 3:30 p.m. A traveling exhibit of patches and pins also will be on display. An après ski fondue party and fund-raising auction will be held in the Sugarloaf Hotel 4 to 6 p.m. The event will raise money for the Ski Museum of Maine.