Boston Red Sox 2026 MLB Armed Forces 39THIRTY M-Crown Flex Cap Olive
New Era Official 2026 MLB Armed Forces Day Campaign 39THIRTY Stretch-Fit Hat from your Boston Red Sox.
Product information
New Era Baseball Stretch-Fit Cap featuring the Boston Red Sox in the 39THIRTY M-Crown style from the 2026 MLB Armed Forces Day Collection.
The New Era 39THIRTY Stretch-Fit Cap featuring the Boston Red Sox from the 2026 MLB Armed Forces Day Collection combines classic baseball style with a bold military-inspired look. The annual MLB collection honors active service members, veterans, and their families through military-inspired colors and design details.
100% of the licensed proceeds from the Armed Forces Day Collection are donated through MLB Charities to organizations supporting members of the armed forces and veterans.
Design & Details:
- Team logo with embroidered and embossed plastic elements
- 2026 MLB Armed Forces Day design with military-inspired details
- USA flag in a structured mixed-material look
- Embroidered New Era flag logo on the side and MLB Batterman logo on the back
- Two inner panels in camouflage design and inner taping with "Armed Forces Day" lettering
- Undervisor with six plastic stars
- Officially MLB licensed
Fit & Comfort:
- 39THIRTY M-Crown: Mid-profile structured stretch-fit crown for an optimal fit
- Curved visor: Classic look with sun protection
- Structured crown and closed back: Maintains shape without adjustable straps
- Mesh back for enhanced ventilation
- Embroidered eyelets for improved airflow
- Elastic stretchband: Comfortable, sweat-absorbing, and secure fit
- Material: 100% performance polyester (crown); 97% polyester and 3% elastane (visor)
Properties
| Product category: | Caps |
|---|---|
| Sport: | MLB - Baseball |
| Target group: | Unisex |
| Team: | Boston Red Sox |
| Product number: | 721239.G10 |
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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.