Every geek needs armour

This isn’t very good for darts players, but if your favourite sport involves small, light arrows or something, this could be just what you need. Modern-day dwarves may work aluminium, but one benefit of their materials science progress is that they make shirts that weigh only 10kg.

Granted, ordering one means you’ll probably have a hard time explaining to customs officials why a t-shirt weighs 10kg, and arguing whether you need to pay the 40% textile import duty or whether the regulations on arms sales would apply. You may get arrested. At least you’d have a story to tell, though I’m not sure it will impress the numbers gangs in prison.

Do read the instructions, though. It seems chain mail requires some special dressing and undressing techniques your mother probably didn’t teach you.