If you feel like a mad scientist, you need the smock of Saikû.
The size chart will help you in your choice:
| Cut | Shoulders | Sleeves | Length | Chest |
| S | 42 | 24 | 108 | 98 |
| M | 43 | 25 | 110 | 102 |
| L | 44 | 26 | 112 | 106 |
| XL | 45 | 27 | 114 | 110 |
| 2XL | 46 | 28 | 116 | 114 |
The blouse is made in polyester.
Good luck in redeveloping humanity.