MLB New York Yankees Derek Jeter Final Season Tribute Performance Cap by '47 Brand Stretch fit, one size fits all. 94% polyester/6% Spandex Ottoman performance fabric. Relaxed, stretch fit cap made from ottoman performance fabric. Officially Licensed by MLB. Style: Game Time '47 Closer By '47 Brand Progressive Fashion With Vanguard Sports Cultures. Don't Blend In With The Masses - Wear Something Unique!