Seattle Mariners Custom Gray Baseball Jersey
Name & Number
Jerseys
Returns
| S | M | L | XL | XXL | 3XL | 4XL | |
|---|---|---|---|---|---|---|---|
| Chest (in.) | 41-44 | 44-46 | 46-48 | 48-50 | 50-53 | 53-56 | 56-60 |
| Length (in.) | 27.5 | 28.5 | 29 | 30 | 30.5 | 31 | 35 |
| XS | S | M | L | XL | XXL | |
|---|---|---|---|---|---|---|
| Chest (in.) | 35-37 | 37-39 | 39-41 | 41-43 | 43-45 | 45-47 |
| Length (in.) | 22.5 | 23.5 | 24.5 | 25 | 26 | 27.5 |
| S | M | L | XL | |
|---|---|---|---|---|
| Chest (in.) | 32-35 | 35-37 | 37-39 | 39-41 |
| Length (in.) | 24 | 24.5 | 25.5 | 26.3 |
Between sizes? We recommend sizing up for a classic, relaxed fit.
Build your own custom Seattle Mariners gray jersey with any name and number you want — yours, a favorite player's, or an inside joke only your section will get. Every piece is officially licensed — the real marks, the real colors.
Product Details
- Full-button front
- Heat-sealed jock tag
- Heat-sealed transfer applique
- Batterman applique on center back neck
- Rounded hem
- Short sleeve
- Material: Polyester
- Machine wash gentle or dry clean. Tumble dry low, hang dry preferred.
Sizing & Fit
True to size with a relaxed, athletic cut — room to move without looking baggy. Men's, women's, and youth sizes are available from the dropdown. Between sizes or buying a gift? Check the baseball size chart before you order.
Seattle Mariners Jerseys
The trident and northwest green are pure Pacific identity — Ken Griffey Jr.'s swing made the Kingdome famous, and T-Mobile Park's roof keeps baseball dry without closing in the sky. Browse more Seattle Mariners jerseys to complete the set.
Frequently Asked Questions
Is the custom printing officially licensed?
Yes. The base jersey and all team marks are officially licensed.
Is this an officially licensed Seattle Mariners jersey?
Yes. Every jersey we sell is officially licensed.
Does this jersey run true to size?
Yes — true to size with a loose fit. Size up one if you plan to layer underneath.
When will my order arrive?
Since every item is made just for you, here's what to expect:
- Making your order: 5–7 business days
- Shipping to you: 10–15 business days (US) ·
Want the full details? See our Shipping Policy.
Changed your mind?
You can cancel within 24 hours of ordering, as long as production hasn't started yet. Just email us at support@rivalriesjersey.com — we'll take care of it. For more details, see our Return & Refund Policy.
