Geeks Colour Blindness T-Shirt in a tub

Ever suspected your partner of being colour blind? Here's a way you can find out for sure!

The number on this t-shirt is visible to those with normal vision and invisible for those with a red-green colour vision defect!

Approximately 6.5% of males, but less then 1% of females, are said to be colour blind!

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Geek T-shirts come well-packaged in a 15cm high tube.

Available in:

Small - Chest: 95cm | Length: 66cm
Medium - Chest: 100cm | Length: 67cm
Large - Chest: 110cm | Length: 69cm

Select your size using the drop down menu to the right.