
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: 9609429
- Weight: 0.50kg
- Type: MLB
This offer ends in:
Available Options

Embrace the Boston Spirit
When the summer sun beats down or you're hitting the gym, let your Red Sox allegiance shine with the Men's Boston Red Sox Nike Navy Knockout Performance Muscle Tank Top. This isn't just a piece of apparel; it's a declaration of your unwavering support for the Fenway faithful. Feel the energy of every cheer, the roar of the crowd, and the unbreakable bond with the team as you wear this iconic navy tank. It’s perfect for game days, workouts, or simply showing your city pride wherever you go.
Performance Meets Classic Style
Crafted by Nike, this muscle tank is designed for comfort and mobility. The deep navy hue serves as the perfect backdrop for the crisp white 'BOSTON' lettering and the classic red 'B' logo, embodying the timeless Red Sox aesthetic. Featuring the iconic Nike Swoosh, this tank top blends modern athletic performance with the enduring legacy of the Boston Red Sox, ensuring you stay cool and look sharp.
- Imported
- Screen print graphics
- Extended sizes are 80% Cotton, 20% Polyester
- Material: 100% Cotton
- Short sleeve
- Machine wash, tumble dry low
- Crew neck