RTFM T-Shirt

This is a term used all the time at in technical support and customer services in various companies and industries. 

What does RTFM mean?

That's right, when something is obvious and easy to understand but only if you Read RTFM.

This heavyweight cotton t-shirt is a durable staple product with a classic fit.  One of the most popular items, it has a relaxed style made for everyday and casual wear - Seamless double-needle collar

• Double-needle sleeve and bottom hems
• 100% combed and ring-spun cotton
• Taped neck and shoulders for durability