The Penrose triangle, also known as the tribar is an impossible object devised by the mathematician Roger Penrose in the 1950s. It features prominently in the works of artist M. C. Escher.

Product Information

Fit: Standard

Not too tight, not too loose.

Fabric Thickness:

The most comfortable t-shirt ever! Our 100% cotton, Hanes Authentic Tagless T-Shirt is preshrunk, durable and guaranteed.

• 6.1 oz. 100% cotton
• Standard fit