Seattle Mariners Mariners Adult Style 1 Baseball Jersey
Authentic-Style Baseball Jersey – Printed On Demand
Ball players know: the jersey matters. Ours is cut from breathable polyester mesh, reinforced at every seam, and printed so the colors pop under stadium lights.
📸 Don’t let the mockup fool you – this design prints on all 4 jersey styles: Men’s Cool Base, Men’s Flex Base, Women’s, and Youth. Your pick, your fit, ready to ship today.
Jersey Features
- 🎨 Stadium-Grade Print – Bold, vibrant graphics that hold up to full seasons of wear, washes, and cheers.
- 🧵 Soft Athletic Mesh – Smooth-hand polyester with moisture control. Feels broken-in from day one.
- 👕 V-Neck Construction – Classic baseball V-neck with reinforced stitching. Looks sharp, holds up over seasons.
- ⚾ Season After Season – Built to hold up to game days, laundry cycles, and years of wear.
Fabric Breakdown
- Men’s Cool Base (Replica): 100% polyester mesh, ~220g – classic loose replica fit, tolerance ±1.5 in.
- Flex Base Men’s: 88% polyester, 12% spandex (≈240g). Pro-level stretch for a tailored, performance fit.
- Women’s Fit: 100% polyester mesh, ≈200g, tailored female cut. Youth (Boys): 100% polyester mesh, ≈180g, sizes S–XL (ages 6–20).
- Note: Flex Base runs more athletic than Cool Base. If you prefer a looser fit, stick with Cool Base or size up on Flex Base.
Jersey Sizing – All Variants
Measurements in inches. Jerseys run loose for that authentic fit – when in doubt, go up.
Size Guide — Baseball. All measurements in inches. If between sizes, size up for the classic looser jersey fit.
Men · Cool Base (Replica · ±1.5 in)
| Size | Chest (in) | Waist (in) | Length (in) |
|---|---|---|---|
| S | 41–43 | 40–42 | 28–29 |
| M | 44–45 | 43–44 | 29.5–30 |
| L | 46–47 | 45–46 | 30.5–31 |
| XL | 48–49 | 47–48 | 31.5–32 |
| 2XL | 50–53 | 49–52 | 32.5–33 |
| 3XL | 54–56 | 53–55 | 33.5–34 |
| 4XL | 58–60 | 56–58 | 34.5–35 |
Men · Flex Base (Authentic · ±1.5 in)
| Size | Chest (in) | Waist (in) | Length (in) |
|---|---|---|---|
| S | 40–42 | 39–41 | 29–30 |
| M | 43–44 | 42–43 | 30.5–31 |
| L | 45–46 | 44–45 | 31.5–32 |
| XL | 47–49 | 46–47 | 32.5–33 |
| 2XL | 50–53 | 48–51 | 33.5–34 |
| 3XL | 53–55 | 52–53 | 34.5–35 |
| 4XL | 57–59 | 54–56 | 35.5–36 |
Women (±1.2 in)
| Size | Chest (in) | Waist (in) | Length (in) |
|---|---|---|---|
| S | 34–35 | 26–27 | 22–23.5 |
| M | 36–37 | 28–29 | 23.5–24.5 |
| L | 38–40 | 30–32 | 24.5–25.5 |
| XL | 41.5–42.5 | 33.5–35.5 | 25.5–26.5 |
| 2XL | 43–45 | 36–38 | 26.5–27.5 |
Youth (Boys) (±1.2 in)
| Size | Age | Chest (in) | Length (in) |
|---|---|---|---|
| S | 6–8 | 32–33 | 22–23 |
| M | 10–12 | 34–35 | 24–25 |
| L | 14–16 | 36–37 | 26–27 |
| XL | 18–20 | 38–40 | 28–29 |
How to measure: Chest — across fullest part relaxed · Waist — ~1 inch above navel · Length — shoulder seam to hem.
Production & Shipping
- ✅ Ships in: 1–2 business days from our warehouse.
- 📦 US Shipping: 3–7 business days.
- ⚡ Express Delivery: 2–4 business days.
- 🌍 Worldwide: 7–21 business days.
- ⚠️ Note: Best-selling designs occasionally run low; production adds 1–2 extra days when that happens.
Your jersey ships from stock in 1–2 business days. If a best-seller is temporarily low, a quick 1–2 day production run covers your order before we ship. Check the size chart above for your variant before ordering. We’re here if you have questions.
⚾ Discover more at Today Decor.com – where game day meets premium apparel.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.)..
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item..
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations..
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound..