New Era Men's NFL 2018 Sideline Official 39THIRTY Flex Hat - Team Fit
New Era Men's NFL 2018 Sideline Official 39THIRTY Flex Hat - Team Fit
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In this review of the New Era Men's NFL 2018 Sideline Official 39THIRTY Flex Hat the bottom line is simple: it is for fans who want a polished, team-ready cap that looks like the ones worn on game day while offering comfortable wear. The reviewer found the hat's HEX TECH performance fabric keeps the head feeling cooler than a standard cotton cap, and the structured fit and embroidered team graphics deliver a professional sideline appearance. If you want faithful team styling with a flexible, performance-minded fit, this hat earns serious consideration.
Key Features
- Official licensing: Being officially licensed by the NFL ensures the hat carries authentic team branding and match-day accuracy.
- HEX TECH fabric: The performance fabric provides cooling properties that help manage heat during warm conditions or long wear.
- 39THIRTY flex fit: The stretch crown offers a snug but comfortable fit that adapts to different head shapes without a rigid break-in period.
- Adjustable strap: The fabric strap with slide buckle allows small fit adjustments for added security and comfort.
- Embroidered graphics: Raised, detailed embroidery gives the cap a premium, durable look that stands out in crowds.
Who It's For
Fans who attend games, tailgate, or want an on-field look will appreciate this hat because it reproduces the sideline styling and offers breathable performance fabric. It is especially suited to those who prefer a contoured, flex-fit crown rather than a hard-structured fitted cap.
Those who need a fully adjustable snapback or prefer a flat-billed streetwear silhouette may want to look elsewhere; while the hat offers an adjustable fabric strap, its primary design is a performance-focused flex hat intended to mirror official sideline gear.
Pros & Cons
Pros
- Authentic NFL licensing gives accurate team representation and official styling.
- HEX TECH performance fabric helps keep the wearer cooler than typical caps.
- Raised embroidered graphics and detailing provide a premium, durable appearance.
- Stretch crown and adjustable strap combine for a comfortable, secure fit.
Cons
- Not a traditional snapback; fans seeking a looser, fully adjustable fit may prefer a different model.
Specifications
| Brand | New Era |
| Model | 2018 NFL Sideline Official 39THIRTY Flex Hat |
| Licensing | Officially licensed by the NFL |
| Fabric | HEX TECH performance fabric |
| Fit | 39THIRTY flex fit with adjustable fabric strap and slide buckle |
| Graphics | Embroidered graphics with raised details |
Our Verdict
The New Era 2018 NFL Sideline Official 39THIRTY Flex Hat is a strong choice for supporters who want authentic sideline styling with performance-minded materials. It pairs breathable HEX TECH fabric, a comfortable flex fit, and high-quality embroidered details, making it a worthwhile pick for game-day wear or everyday fandom.
Frequently Asked Questions
Does this hat run true to size?
The 39THIRTY flex crown fits snugly and adapts to head shape; many customers report it fits as expected.
Is the fabric breathable for warm weather?
Yes. The HEX TECH performance fabric is designed to provide cooling properties compared with standard cotton caps.
Are the team logos durable?
Yes. The hat uses raised embroidered graphics that hold up well with regular wear.
Editor's Take
The New Era 2018 NFL Sideline 39THIRTY Flex Hat delivers authentic team styling, breathable HEX TECH fabric, and a comfortable flex fit, making it a strong choice for fans who want game-day quality.

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