
MLB Hat Size Guide | UJerseyMLB
How to Measure Your Head
To ensure you choose the perfect fit for your new MLB hat, please follow these steps:
- Measurement 1: Measure from the front hairline to 2cm below the occipital bone (back of the head).
- Measurement 2: Measure from the brow bone to the occipital bone.
- Pro Tip: Use a soft measuring tape and take both measurements, using the maximum value to determine your size.
Note: Everyone has different preferences for how a hat fits. Please measure carefully and choose the size that matches your comfort preference.
MLB Hat Size Conversion Chart
| Hat Size (US) | Inner Diameter (cm) | Suitable Head Circ. (cm) |
|---|---|---|
| 7 | 55.8 | 56 |
| 7 1/8 | 56.8 | 57 |
| 7 1/4 | 57.7 | 58 |
| 7 3/8 | 58.7 | 59 |
| 7 1/2 | 59.6 | 60 |
| 7 5/8 | 60.6 | 61 |
| 7 3/4 | 61.5 | 62 |
| 8 | 63.5 | 63-64 |
Not sure about your size?
At ujerseymlb.com, we are committed to providing you with the best shopping experience. If you have any questions regarding hat sizing, please feel free to reach out.
Contact us at: [email protected]
- Stock: In Stock
- Model: 16246679
- Weight: 0.10kg
- Type: MLB Hat
This offer ends in:
Available Options

Step Up Your Game Day Style with Iconic Orioles Flair
Embrace the timeless spirit of the Baltimore Orioles with this striking black snapback hat. Adorned with the beloved "Cartoon Bird" logo on the front and the classic "Orioles" script on the back, this cap is a must-have for any dedicated fan. Crafted with high-quality materials and featuring detailed embroidery, it offers both durability and a comfortable fit, making it perfect for cheering on the O's at Camden Yards or anywhere your day takes you.
A Nod to Baseball Heritage, Designed for Today's Fan
This isn't just any hat; it's a piece of Orioles history you can wear. The vibrant orange and white stitching pops against the deep black fabric, showcasing iconic logos that evoke memories of legendary games and players. The adjustable snapback closure ensures a custom fit, while the structured crown maintains its shape. Whether you're a lifelong supporter or new to the Orioles faithful, this snapback is the ultimate accessory to complete your game-day ensemble and celebrate your team pride in style.