Our specially designed and patented silicone feature keeps your sock in place and your feet in comfort.
Merino Wool Baseball Cap
Buy Now, Pay Later
If our socks fall off while you're walking in your shoes, we'll give you your money back.
Seriously.
No Slip Guarantee
ONDO
Everyone Else
Size & Care
Size
Have an ONDO sizing question? The following instructions will help you choose.
If you are in between sizes, we recommend sizing down.If you have wide feet and are on the upper range of a size, we recommend sizing up.
If you have any other sizing questions, please email us at hello@ondo.com.
Care
Manufacturing
Designed in New York, carefully developed and tested in South Korea,
and ethically manufactured in Vietnam.
and ethically manufactured in Vietnam.
Our ONDOs ship from our warehouse in Pittston, Pennsylvania.
Fabric
67% Woolmark Certified Merino Wool, 27% Nylon, 6% Spandex
Made from certified Australian Merino Wool, our cap offers exceptional breathability, moisture control, and all-day comfort—perfect for any season. As the first Woolmark-certified cap in the U.S., we set a new standard in quality and performance. Designed with a patent-pending knot-style back, the feature provides a secure, customizable fit, ensuring both function and fashion. Whether you're on the go or just elevating your everyday look, our cap is the perfect blend of versatility, innovation, and timeless style.
Perfect for Flats and Loafers
I’ve been religiously wearing the Classic ONDOs for a year. I am amazed by how the low-cut version doesn’t slip off my feet. The tech-fabric is very soft and keeps my feet cool in flats. Bravo ONDO!
-Sarah K., Verified Customer
Size & Care
Size
Have an ONDO sizing question? The following instructions will help you choose.
If you are in between sizes, we recommend sizing down.If you have wide feet and are on the upper range of a size, we recommend sizing up.
If you have any other sizing questions, please email us at hello@ondo.com.
Care
Manufacturing
Designed in New York, carefully developed and tested in South Korea,
and ethically manufactured in Vietnam.
and ethically manufactured in Vietnam.
Our ONDOs ship from our warehouse in Pittston, Pennsylvania.
Fabric
67% Woolmark Certified Merino Wool, 27% Nylon, 6% Spandex
Merino Wool Baseball Cap
Regular price
Sale price$85
Choose options
Merino Wool Baseball Cap
Regular price
Sale price$85
If our socks fall off while you're walking in your shoes,
we'll give you your money back.
Seriously.
No Slip Guarantee
ONDO
Everyone else
THE DETAILS
NO SLIP
NO SHOW
Shaped to stay hidden in your favorite low-cut shoes, loafers, and flats. So style really can be from head to toe.
DOUBLE-LAYERED TOE
Our double layered toe offers extra protection to extend the life of your socks and help minimize annoying toe holes.
NO HEAT
Made with a unique aqua-X Nylon and Organic Cotton blend, our tech-fabric has heat-cooling, UV-protection and moisture wicking features for maximum function & comfort.