



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: 9610391
- Weight: 0.50kg
- Type: MLB
This offer ends in:
Available Options

Embrace the Emerald City Vibe
Channel the unique energy of Seattle and show your unwavering support for the Mariners with this dynamic Aqua Tri-Blend Hoodie T-Shirt. This isn't just apparel; it's a wearable testament to the passion that fills T-Mobile Park, connecting you to the heart of the Pacific Northwest and every thrilling play on the diamond. Feel the connection to the team and the city with every wear.
Modern Comfort Meets Iconic Style
Crafted with a comfortable tri-blend fabric and featuring a relaxed hoodie tee silhouette, this piece offers both style and ease. The striking aqua hue is accented by the classic Mariners 'S' logo, detailed with crisp white and navy accents, a nod to the team's distinctive aesthetic. A subtle Nike Swoosh adds a touch of athletic excellence, making this a go-to for any dedicated fan seeking to blend modern comfort with timeless team pride.
- Imported
- Screen print graphics
- Extended sizes are 80% Cotton, 20% Polyester
- Material: 100% Cotton
- Short sleeve
- Machine wash, tumble dry low
- Crew neck