Boss Tiburt T-Shirt Cool, comfortable and classic. Just like a BOSS. Designed with precise proportions and a flattering fit for Big and Tall guys, this T-shirt is a must have. It's crafted of lightweight and breathable Peruvian cotton that's soft to the touch and allows for the freedom to move without restriction. Simple yet stylish, it's the perfect choice to pair with shorts, jeans or twills for a complete look.