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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
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Description
509 Tactical Offroad HelmetTactical Offroad Helmet The 509 Tactical Offroad Helmet is born from a desire to offer industry leading protection. The absolute best value out there, its precise fit, lightweight and durable polycarbonate outer shell, and innovative liner construction make it one of the most comfortable helmets youll ever wear. Just like our highest end helmets, it pairs seamlessly with 509 goggles to offer that missing piece to your pro level puzzle. TECHNOLOGY
The 509 Tactical Offroad Helmet is born from a desire to offer industry-leading protection. The absolute best value out there, its precise fit, lightweight and durable polycarbonate outer shell, and innovative liner construction make it one of the most comfortable helmets you’ll ever wear. Just like our highest-end helmets, it pairs seamlessly with 509 goggles to offer that missing piece to your pro-level puzzle.
Key Features
- Durable polycarbonate outer shell
- Secure double D-ring closure
- Integrated front/top intake vents & rear exhaust vents
- Custom dual density EPS head foam with premium interlocking liner for extremely comfortable fit
- Moisture wicking removable Liner & Cheek pads
- Revolutionary neck brace ready shell profile
- WARNING for California Residents
Specs
- Helmet Certification: DOT & ECE 22.05
- Starting Weight: 1300 grams
- Best Head Shape: Intermediate oval fit
- Size Range: XS - 2X
-
Shell Breaks:
Small Shell - XS
Medium Shell - SM, MD, LG, XL
Large Shell - 2X - Items Included: Soft Helmet Bag, 509 Sticker
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Dr Ferri's Clinical Advisor '26 is, as always, a fabulous resource for any medical or NP practice!
Format: Hardcover
Excellent resource, as always from Dr Ferri. Well worth its generous weight to use a resource other than UptoDate once in a while. Besides, for us medical providers who have been in the calling many years, Ferri's Clinical Advisor 2026 is better at maintaining ones arm strength than lifting an iphone, plus safer and more accurate than the use of AI;)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 13, 2026
★★★★★ 5
You wont regret!
Format: Hardcover
Love! Love! LOVE! Everything in one book! Plus you get the e-version included as well! I am in NP school and the differential diagnosis book my school required is a joke! I took a chance on this book and am so glad I did! It's a big book! So plan on leaving it on your desk or tabletop, but at least youll have access to the ebook across your devices
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 11, 2025
★★★★★ 3
Sketchy citations.
Format: Hardcover
Retired MD. Keeping up for the sake of family, friends and myself. I was looking for something like the “Medicine” book I had third year of med school. This is quite a bit more comprehensive. HOWEVER, the references/citations are hopelessly effed up. In the e book chapter on CHF, every reference I checked was about TRANSSEXUALISM in some way!! You authors/editors have some major work to do. I checked other chapters too. Seems even in Cirrhosis chapter the citations are to urology journals, total non sequiturs. HELP!!
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Reviewed in the United States on November 27, 2025
★★★★★ 5
Good resource book
Format: Hardcover
Great book, very informative and does display info in an organized way. Huge book but worth it.
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Reviewed in the United States on October 30, 2025
★★★★★ 5
Well-organised, concise and beautifully illustrated
Format: Hardcover, Format: Hardcover
The book can be described as concise, well-structured (being constant throughout its entirety), and quite graphic, aside from the prestigious drawings from Dr. Frank H. Netter, there's also real-life pictures included.
The online resources are well used, and they're another tool in case someone want's a quick search instead of going to the index.
I recommend this book for anyone who wants to have good knowledge of infectious diseases, without having to go to the more expensive authoritative source (Mandell, Douglas and Bennett's Principles and Practice of Infectious Diseases 9th Ed.), which is also mentioned in the preface.
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Reviewed in the United States on January 9, 2024
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