• Youth Seattle Mariners Mariners Youth Style 1
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Youth Seattle Mariners Mariners Youth Style 1 Baseball Jersey

Youth Seattle Mariners Mariners Youth Style 1 Baseball Jersey

$49.94 USD
$79.94 USD $49.94 USD
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Official-Style MLB Jersey — In Stock

Game day, street style, or stadium seat – this jersey hits every way. Breathable polyester mesh, fade-resistant print, and a fit that looks sharp whether you’re swinging for the fences or cheering from the stands.

📸 Seeing one style? This design is actually available on Men’s Cool Base, Men’s Flex Base, Women’s, and Youth (Boys). Choose at checkout and we’ll craft your jersey to order.

What Makes It Hit Different

  • 🎨 Graphics That Last – Heat-sealed or screen-printed for crisp, fade-resistant color wash after wash.
  • 🧵 Performance Ready – Quick-dry polyester mesh built for movement. Stays comfortable whether you’re playing or cheering.
  • 👕 Cool Base vs Flex Base – Cool Base for that traditional replica look; Flex Base for the authentic, moisture-locked athletic fit.
  • ⚾ In Stock – Each jersey is stocked ready to ship. No bulk warehouse stock – yours is made just for you.

Build Specs

  • Cool Base Men’s: 100% polyester mesh (≈220g). Replica-cut jersey built for comfort and classic ballpark look.
  • Flex Base Men’s: 88% polyester, 12% spandex (≈240g). Pro-level stretch for a tailored, performance fit.
  • Women’s: 100% polyester mesh, ~200g, contoured cut, tolerance ±1.2 in. Youth (Boys): 100% polyester mesh, ~180g, kids fit, tolerance ±1.2 in.
  • Fabric note – mesh is soft against the skin but built for performance: quick-dry, moisture-wicking, breathable.

Jersey Sizing – All Variants

Compare your measurements to the charts below. Remember – jerseys are built roomy, so size up if you’re on the fence.

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 Details

  • ✅ Processing: 1–2 business days from stock.
  • 📦 USA Standard: 3–7 business days.
  • ⚡ USA Express: 2–4 business days.
  • 🌍 International: 1–3 weeks.
  • ⚠️ Best-sellers: If a popular design is temporarily out of stock, production may add 1–2 extra days before shipping.

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.

⚾ Gear up at InkThreadWorks.com – quality you can count on.

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