Material | 50% Polyester, 38% Cotton, 12% Rayon. Color | Heathered Grey. Ladies short sleeve tri-blend t-shirt with screen printed Florida State Vault Seminole Head. The College Vault program was introduced in 2007 to celebrate and give new life to the school's retired logos, old logos, vintage marks, and traditional word marks. Relive the glory days with our collection of College Vault products!