InkThreadWorks
Pittsburgh Pirates #21 Roberto Clemente Pirates 21 Gray Black Inverted Baseball Jersey
Pittsburgh Pirates #21 Roberto Clemente Pirates 21 Gray Black Inverted Baseball Jersey
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Premium Baseball Jersey – Cool Base & Flex Base
From batting practice to season opener, this jersey delivers. Lightweight polyester mesh keeps you cool, athletic fit keeps you sharp, reinforced construction keeps it game-ready.
📸 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
- 🎨 Built to Last – Fade-resistant graphics that stay vibrant from opening day to the playoffs.
- 🧵 Soft Athletic Mesh – Smooth-hand polyester with moisture control. Feels broken-in from day one.
- 👕 Cool Base vs Flex Base – Cool Base for that traditional replica look; Flex Base for the authentic, moisture-locked athletic fit.
- ⚾ Cheer or Play – Worn on the field or in the stands, this jersey delivers the same premium feel.
Technical Details
- Men’s Cool Base (Replica): 100% polyester mesh, ~220g – classic loose replica fit, tolerance ±1.5 in.
- Men’s Flex Base (Authentic): 88% polyester / 12% spandex, ~240g – performance fit with stretch, tolerance ±1.5 in.
- 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.
Shipping & Delivery
- ✅ 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.
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.
⚾ Discover more at InkThreadWorks.com – where game day meets premium apparel.
