
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.
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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: 8961271
- Weight: 0.50kg
- Type: MLB
This offer ends in:
Available Options

Embrace a Timeless Legacy
Step back into baseball's storied past with this iconic Men's Baltimore Orioles Nike Orange Alternate Cooperstown Collection Jersey. This isn't just apparel; it's a wearable piece of history, designed to connect you directly to the golden era of Orioles baseball. Feel the echo of legendary games and the roar of the crowd as you don the classic orange that defined a generation of champions. It’s the perfect way to carry the weight of tradition and showcase your enduring loyalty to the Birds.
Crafted for Authenticity and Style
Expertly crafted by Nike, this jersey features the distinctive orange hue that Baltimore fans cherish. The bold 'Orioles' script across the chest is meticulously rendered in tackle twill, mirroring the authentic jerseys of yesteryear. Accented with crisp black and white trim on the collar and sleeves, this jersey offers a sharp, vintage aesthetic. It's a must-have for any true fan looking to capture the authentic spirit of Baltimore baseball with unparalleled style.
- Material: 100% Polyester
- Embroidered fabric applique
- Embroidered graphics
- Sizing Tip: Product runs true to size
- Cool Base technology is made with interlocking moisture-wicking fabric for a lightweight, breathable feel.
- Flex Base uniform system reduces overall jersey weight and enhances mobility.
- Patented mesh Air Belt™ for better air flow and less bulk under pant line
- Heat-sealed MLB Flex Base jock tag above left hem
- Stitched tackle name and number on back of jersey
- Stitched tackle number on front of jersey (where applicable)
- Embroidered team patch on sleeve (where applicable)
- Rounded hem
- Sewn-on tackle twill graphics
- Worn by players on-field
- Machine wash
- Imported
Shipping Guide
Shipping time varies by location. These are our estimates:
Normal Orders Custom Orders Processing Time 2 – 3 days 3 – 7 days Shipping Time Frame 12 – 18 days 12 – 18 days Total 14 – 21 days 15 – 26 days