The "Nancy" Spumoni Snow Boots in the Hey Arnold Christmas Special (S01E11, 1996) is a reference to the show's popular singer, Dino Spumoni, who was based on Frank Sinatra. Frank Sinatra had
Dino Spumoni Snow Boots | Lipstick Alley
These are the snow boots beloved by the Scandi style set - Vogue Scandinavia