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The Penrose triangle shouldn't exist, also known as the Penrose tribar it is a triangular impossible shape created by Swedish artist Oscar Reutersvärd in 1934. This optical illusion is a great example of how limited dimensions can create some crazy impossible geometric shapes, making the perfect gift for any mathematician with a soft spot for geometry.
Our Penrose triangle hoodie is perfect for those cooler evenings, made with a soft cotton polyester blend our hoodies will keep you warm and cosy, perfect to curl up in!
• 50% cotton/50% polyester
• Double-lined hood
• Double-needle stitching throughout
• Front pouch pocket
Size guide
| S | M | L | XL | 2XL | 3XL | |
| Length (inches) | 26 | 27 | 28 | 29 | 30 | 31 |
| Width (inches) | 20 | 22 | 24 | 26 | 28 | 30 |
| S | M | L | XL | 2XL | 3XL | |
| Length (cm) | 66 | 69 | 71 | 74 | 76 | 79 |
| Width (cm) | 51 | 56 | 61 | 66 | 71 | 76 |
