Personalized Worlds Best Firefighter Men's Tank Top. Personalized Worlds Best Firefighter gifts and apparel. Say thank you to any firefighter for their protection and hard work with this super Worlds Best Firefighter design that you can customize by adding a name on this Men's Tank Top - White. It's a great appreciation thank you gift. Pre-shrunk 100% cotton 6.1 ounce Quarter turned Adult: S, M, L, XL, 2XL