This t-shirt has Important Hoffmann on it.

Here's what the t-shirt company says:
The tri-blend fabric creates a vintage, fitted look. And extreme durability makes this t-shirt withstand repeated washings and still remain super comfortable.

• 50% polyester, 25% combed ring-spun cotton, 25% rayon
• Fabric weight: 3.4 oz/yd² (115.3 g/m²)
• Pre-shrunk for extra durability
• 40 singles
• Regular fit
• Side-seamed construction
• Blank product sourced from Guatemala, Nicaragua, Mexico, Honduras, or the US