The First Woolmark-Certified Merino Wool Cap in the U.S.
Crafted from certified Australian Merino Wool, the ONDO Baseball Cap offers lightweight performance in a timeless silhouette. Its patent-pending knot-style back allows for easy adjustment—perfect for on-the-go wear. Whether you're looking for the best Merino Wool Cap for daily wear or a reliable option for travel and fitness, this Cap blends innovation with all-season versatility.
Introducing the ONDO Merino Wool Baseball Cap
Performance Meets Style
Breathable & Lightweight – Keeps you cool without overheating, even in the sun.
Odor-Resistant & Moisture-Wicking – Stays fresh during workouts, hikes, and long travel days.
Adjustable Knot-Back Design – Patent-pending feature allows a custom fit on the go—even mid-run.
Sun-Ready Shield – Thoughtfully sized brim provides UV protection without overwhelming your face.
“I was hesitant about a wool Baseball Cap, but this is nothing like heavy winter wool. It’s incredibly lightweight and airy, even in the sun. The moisture-wicking is next level—I’ve worn it on runs, hikes, and while traveling, and it never feels damp or stuffy. Also, the design is sleek and unique, so it works just as well for everyday wear. Love it!” - Helen O.
The Best Merino Wool Hat for Workouts and Everyday Use
If you're searching for the best Merino Wool Cap that moves with your lifestyle—this is it. From gym sessions to long-haul flights, and everything in between, this Cap delivers performance without sacrificing comfort or style.
Made Sustainably, Built to Last
This is the first Woolmark-Certified Cap in the U.S., designed in New York, developed and tested in South Korea, and ethically manufactured in China. Our partner factory upholds strict ethical labor and sustainability standardsUsing 75% premium Australian Merino Wool, 19% durable polyester and 6% spandex, it delivers on both sustainability and performance.
 
 
One or more of the items in your cart is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.