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Boston Red Sox #28 J.D. Martinez Majestic Alternate Official Cool Base Player Jersey - Navy

Boston Red Sox #28 J.D. Martinez Majestic Alternate Official Cool Base Player Jersey - Navy

Regular price $49.94 USD
Regular price $79.94 USD Sale price $49.94 USD
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Shipping calculated at checkout.
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Premium MLB-Style Jersey — Player-Grade Construction

Built for the diamond, designed for everyday. Premium polyester mesh, tailored athletic cut, and fade-proof graphics – this jersey earns its place in the rotation.

📸 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.

Built for the Game

  • 🎨 Graphics That Last – Heat-sealed or screen-printed for crisp, fade-resistant color wash after wash.
  • 🧵 Lightweight Polyester – Athletic mesh fabric that breathes, dries fast, and feels great in the summer heat.
  • 👕 True-to-Sport Sizing – Jerseys are built loose for layering. Between sizes? Size up for that classic ballpark fit.
  • Season After Season – Built to hold up to game days, laundry cycles, and years of wear.

Fabric Breakdown

  • Cool Base (Replica): 100% polyester mesh at ~220g. Traditional loose fit for that stadium-style drape.
  • Flex Base Men’s: 88% polyester, 12% spandex (≈240g). Pro-level stretch for a tailored, performance fit.
  • Women’s: 100% polyester mesh at ≈200g with a contoured silhouette. Youth (Boys): 100% polyester mesh at ≈180g, sized for ages 6–20.
  • Jersey fit – all measurements in inches. Between sizes? Size up for the classic loose look.

Pick Your Size

Every variant sizes a bit differently. Reference the exact chart for your chosen style below before ordering.

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.

When Will It Arrive?

  • 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.

This jersey ships fast from our warehouse. For best-sellers that sell out quickly, production can add 1–2 extra business days. Review the size chart for your variant (Cool Base, Flex Base, Women’s, or Youth) before checkout. Size exchanges accepted within 14 days.

⚾ Visit InkThreadWorks.com for more styles. Crafted with care, delivered with pride.

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