Boston Red Sox 2026 Jackie Robinson Day 39THIRTY M-Crown Flex Cap Navy
New Era MLB Official 2026 Jackie Robinson Day 39THIRTY M-Crown Stretch-Fit Baseball Hat from the Boston Red Sox.
With #42 Jackie Robinson Side Patch.
Product information
New Era MLB Official 2026 Jackie Robinson Day 39THIRTY M-Crown Stretch-Fit Baseball Hat from the Boston Red Sox.
Jackie Robinson Day is more than just a game day - it's a statement. This official Stretch-Fit Cap from the MLB Jackie Robinson Day 2026 collection brings together history, impact, and on-field style in a limited design. A strong piece for those who don't just support the game, but represent its true spirit.
Design & Details
- Official MLB cap for Jackie Robinson Day
- High-quality embroidered front logo with a clean finish
- #42 Liquid Chrome side patch as an iconic tribute detail
- MLB Batterman logo on the rear
- Green undervisor with "42" print
Material & Fit
- 39THIRTY M-Crown: Mid-profile, structured stretch-fit crown for an optimal fit
- Curved visor: Classic look with sun protection
- Structured crown, closed back: Keeps its shape, no adjustable straps
- Embroidered eyelets: Improve ventilation
- Stretch band: Comfortable, moisture-wicking, non-slip
- Material: 95% polyester / 5% spandex - flexible and durable
Properties
| Color: | Navy |
|---|---|
| Material: | Elastane, Polyester |
| Product category: | Caps |
| Sport: | MLB - Baseball |
| Target group: | Unisex |
| Team: | Boston Red Sox |
| Product number: | 721229.G11 |
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In Stock In Stock
New Era 39THIRTY Flex Caps
| SIZE | CM | INCH |
|---|---|---|
| S/M | 56.8 - 58.7 | 22 3/8 - 23 1/8 |
| M/L | 58.7 - 60.6 | 23 1/8 - 23 7/8 |
| L/XL | 60.6 - 62.5 | 23 7/8 - 24 5/8 |
Measure Your Head Size – It’s Easy:
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Use a tape measure (or string + ruler). For best accuracy, ask someone to help.
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Wrap it around your head: Keep it level and smooth — just above your ears and eyebrows.
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Read the measurement (in cm or inches) and use the size chart to find your cap size.