What's your Basewear Top Size?
Basewear Bra Size Calculator
Designed to ignite your inner spark. ✨
Our grassroots, women owned and run business has been creating versatile, technical underlayers since 2016. Everything we create is designed by women with feedback from as many body types as we can find, and wear tested in the Eastern Sierra mountains.
Want to support a future you can believe in while staying ultra comfy?
Start with Basewear.
The most comfortable sports bra, ever.
Hike, climb, swim. You can do anything in Basewear.
Choose Your Cut
Go ahead and donate out all your other sports bras to a good cause.
Basewear will replace all your bras, sports bras, and swimsuits.
Athletic underwear for any outdoor adventure.
Designed to move with your curves.
🎉The TK Time Capsule - Our journey through the last three years.
The Unexpected Spark That Connects Women at the Crag
Logo Redesign: TK Gets a New Look
We love to see where you take your Basewear.
Follow @terakaia on Instagram and tag us on your adventures with #Basewear and #BeYourOutsideSelf.