Simple ankle socks

The end of lost socks. Meet ThatOne's First Fix.

100% Mom Approved

Sock That Finally Makes Sense for [Parents|Kids]

The laundry pile is tough enough. That’s why we made a sock that never gets lost. At ThatOne, we believe the smartest ideas are the simplest ones, and our mission is to make everyday life just a little bit easier.
Two women and two girls wearing socks with a logo, sitting on a bench.



About The Journey

At ThatOne, we believe the smartest ideas are often the simplest. Born from everyday moments of parenting, our mission is to take clever little fixes—like figuring out confusing kids’ shoe sizes—and turn them into products that actually make life easier.

Our story begins with ThatOne Sock—a simple fix to a confusing problem—and will continue with more everyday solutions designed to help families thrive.

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Frequently Asked Questions

Questions Parents Ask Most

ThatOne Sock is designed with a simple color-coded and alphabetized sizing system so kids can easily pick the right pair themselves—no more confusing shoe sizes. AND no more pairs, each sock is important but not reliant on a pair. So if you lose one no big deal just come back and replenish!

Our socks are a cotton blend, soft, breathable, and durable materials that are gentle on kids’ skin while standing up to everyday wear and multiple washes.

Each size is printed clearly on the bottom of the sock and paired with a color code in Green (smallest), Orange, Red (largest), so kids and parents can instantly recognize the right fit. See our Size Guide for more details.

In our "Shop" section, we will try to let customers know about upcoming products that are in the works!! Lot's of exciting ideas coming, so subscribe to our email list so you don't miss it!

ThatOne Sock is designed for kids between the ages of 5 to 12 years, covering the most common range of growing feet and school-age children.

It All Starts With ThatOne [Sock |Idea|Mom]

Because every small idea can become ThatOne solution we all need.