F stands for something. Part of the Circa 74 Collection, in the case of the Big F Premium Tee, the F stands for quality materials, construction, and a refined silhouette. Featuring an iconic F for Fox graphic, it's a must-have for Big F Fox fans. Exclusive Circa 74 collection. Side-seam construction maintains the integrity and structure, wash after wash. 100% cotton combed ringspun with Biancalani 30/1 side-seam jersey, 155-gram.