
MLB Jersey Size Guide | UJerseyMLB
How to find your perfect fit
At ujerseymlb.com, we want you to be game-day ready with the perfect fit. Based on our customers' feedback and the athletic cut of our jerseys, we strongly recommend ordering one size up if you prefer a more comfortable, relaxed fit.
Tip: Swipe left/right on the tables if you are on mobile.
Men's MLB Cool Base Jersey (Unit: inch)
| Size | Front Length | Back Length | Chest | Shoulder |
|---|---|---|---|---|
| S | 28.7 | 29.9 | 44 | 18.9 |
| M | 29.9 | 31.1 | 45.2 | 19.9 |
| L | 31.1 | 32.3 | 46.4 | 20.9 |
| XL | 32.3 | 33.5 | 47.6 | 21.9 |
| XXL | 33.5 | 34.7 | 48.8 | 22.9 |
| XXXL | 34.7 | 35.9 | 50 | 23.9 |
Women's MLB Jersey (Unit: inch)
| Size | Front Length | Back Length | Chest | Shoulder |
|---|---|---|---|---|
| S | 24.4 | 25.6 | 39.2 | 16.5 |
| M | 25.6 | 26.8 | 40.4 | 17.5 |
| L | 26.8 | 28 | 41.6 | 18.5 |
| XL | 28 | 29.2 | 42.8 | 19.5 |
| XXL | 29.2 | 30.4 | 44 | 20.5 |
Youth MLB Jersey (Unit: inch)
| Size | Front Length | Back Length | Chest | Shoulder |
|---|---|---|---|---|
| S | 24 | 25.6 | 34.6 | 15 |
| M | 25.2 | 26.8 | 35.8 | 16 |
| L | 26.4 | 28 | 37 | 17 |
| XL | 27.6 | 29.2 | 38.2 | 18 |
Still need help with sizing?
Our dedicated support team is here to ensure you get the perfect fit for your favorite team's jersey.
Contact us at: [email protected]
- Stock: In Stock
- Model: 9609440
- Weight: 0.50kg
- Type: MLB
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Available Options

Embrace Timeless Fenway Fervor
Step into the enduring legacy of the Boston Red Sox with this essential Primary Logo T-Shirt. Designed for the ultimate fan who appreciates both comfort and iconic team style, this tee proudly displays the classic 'B' emblem, a symbol synonymous with championship history and passionate baseball traditions. It's more than just apparel; it's a declaration of your unwavering loyalty, crafted for those who bleed Red Sox red.
Comfort Meets Classic Design
This navy blue t-shirt is engineered for a comfortable, relaxed fit, making it ideal for all-day wear whether you're at the ballpark or cheering from home. The distressed graphic treatment on the iconic 'B' logo adds a vintage feel, while the durable fabric ensures it remains a staple in your game-day rotation. Officially licensed, this tee is a testament to authentic fan gear, offering superior comfort and enduring style for every dedicated supporter.
- Imported
- Screen print graphics
- Extended sizes are 80% Cotton, 20% Polyester
- Material: 100% Cotton
- Short sleeve
- Machine wash, tumble dry low
- Crew neck