When the temperature drops on game day, this Buffalo Bills 2026 Sideline Cold Weather Skully Knit Hat from New Era keeps you warm right alongside the pros. Built with a heat-retaining acrylic knit and a comfortable interior lining, the close-fitting skully silhouette layers easily under a hood for maximum protection from the elements. It is the Buffalo Bills headwear you need to brave the fourth-quarter cold at the stadium or the early-morning tailgate.