Shop Colour-Changing Underwear by Knobby

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Size Guide

Special size note: Wild Nights has a special size grade, be sure to check our sizing guide to ensure you have the right fit.

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Bulk Discount: Buy Any 3 Get 15% Off

*Bulk discount not available for Undie Club members – your exclusive price is even better!

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Confidence starts with your first layer. We started a revolution against uncomfortable, ugly, vibe-sucking underwear. And we’re winning.

Our emails are like our undies; surprisingly fun. Sign up to see for yourself.

At Knobby, we’re proud to work on the Country of the Kabi Kabi (Gubbi Gubbi) People in Chevallum. We honour their deep connection to this land, its waters and community, and pay our respects to Elders past, present and emerging.

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