You can’t be on the leading edge if you’re not willing to risk going over. These designs are based on the geometrical concept of the tesseract. In geometry, the tesseract is the 4-dimensional analogue of the cube; tesseract is to the cube as the cube is to the square. Matching hoodie also available on Ebay, just search.

This backpack features a spacious extra front zipper, inner laptop pocket, and stretchy mesh water bottle holder on one side. The straps and back are padded for comfort. Spot clean or dry clean. Measures 17 x 12.5 x 5 inches.   

.: 100% polyester
.: Lightweight and waterproof
.: Adjustable shoulder straps
.: Assembled in the USA