Show the world that you get "Better Tone Through Science" Super soft Hanes 100% cotton T-Shirts with our trademarked "Albert Einstein with Les Paul Guitar" logo on the back and our "Guitar Outline" logo on the front. This is a true premium quality garment printed in the USA and is guaranteed for life! If the artwork ever fades or the shirt wears out, just send it back and we'll replace it FREE for life!