Arizona Diamondbacks #4 Ketel Marte Baseball Jersey
Premium Baseball Jersey – Cool Base & Flex Base
Whether you’re a weekend league hitter or a lifelong fan, this jersey delivers. Athletic fit, moisture-wicking mesh, and crisp graphics that don’t peel after the first wash.
📸 The mockup shows one style – but this design ships on Men’s Cool Base, Men’s Flex Base, Women’s, and Youth (Boys). Pick your variant, size, and we’ll make it just for you.
Why You’ll Love This Jersey
- 🎨 No Cheap Print – Professional transfer and screen-print methods for graphics that look and feel premium.
- 🧵 Performance Ready – Quick-dry polyester mesh built for movement. Stays comfortable whether you’re playing or cheering.
- 👕 Reinforced Seams – Double-stitched shoulders, side vents, and hem. Built to survive slides, catches, and the wash.
- ⚾ In Stock – Each jersey is stocked ready to ship. No bulk warehouse stock – yours is made just for you.
Material & Construction
- Men’s Cool Base (Replica): 100% polyester mesh, ~220g – classic loose replica fit, tolerance ±1.5 in.
- Flex Base (Authentic): 88/12 polyester/spandex at ~240g. Athletic stretch fit, moisture-locked performance feel.
- 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.
Complete Size Chart
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.
Shipping & Delivery
- ✅ 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.
Our jerseys are stocked and inspected, ready for fast shipping. Occasionally a high-demand design needs a short 1–2 day production catch-up before it ships. Please measure carefully and match to the correct variant chart above. Questions? We reply fast.
⚾ Shop the full roster at Today Decor.com. Bold design, premium construction.
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..