SYB Boxer Briefs

The world's most protective underwear. Made with SaferBody Silver 42 and lab tested for 5G up to 26 GHz, these best EMF protection underwear shield up to 99% of harmful EMF radiation. The 42% silver, 53% cotton, 5% nylon construction provides full 360° protection—the entire brief is made from EMF shielding fabric, unlike inferior alternatives. Silver content also delivers anti-bacterial, anti-microbial, and anti-odor benefits. Machine washable. Save when buying multiple pairs in 3-pack or 5-pack.

• Lab tested for 5G up to 26 GHz
• Shields up to 99% of EMF radiation
• Made with SaferBody Silver 42
• Full 360° shielding coverage
• Entire brief is shielding fabric
• 42% silver, 53% cotton, 5% nylon
• Anti-bacterial properties
• Anti-microbial properties
• Anti-odor benefits
• Machine washable
• Available in multi-packs

1. Select your size using the size chart.
2. Wear like regular boxer briefs.
3. The full construction provides 360° protection.
4. Silver content controls bacteria and odor.
5. Machine wash on gentle cycle.
6. Tumble dry on low heat.

About Shield Your Body

Shield Your Body (SYB) was founded in 2012 by R Blank, an entrepreneur, author, and educator specializing in the intersection of technology and health.

R is the co-author of "Overpowered: The Dangers of Electromagnetic Radiation and What You Can Do About It" (2014), written with his father, Dr. Martin Blank—a pioneering researcher in EMF bioeffects who contributed to the BioInitiative Report. In 2025, R published "Empowered: A Practical Guide to Protecting Yourself from EMF."

Every SYB product is designed with our proprietary SaferBody™ technology—scientifically tested shielding materials that deflect EMF radiation away from your body without blocking your device's signal or draining its battery.

All SYB products are independently tested in FCC-accredited laboratories and proven to block up to 99% of wireless EMF radiation, including 5G frequencies.

As a recognized expert in EMF health and safety, R has appeared on major media platforms including Dr. Phil, ABC News, and Fox News. He also hosts the Healthier Tech Podcast, interviewing experts on living more balanced lives with technology.

Previously, R served on the faculty of USC's Viterbi School of Engineering and UC Santa Cruz, and led a successful software engineering firm in Los Angeles with clients including Apple, Microsoft, and Disney.

SYB products ship from our warehouse in the USA

Shipping

Ships from SYB in the USA.

Free shipping on US orders over $150. Standard delivery: 3-7 business days.

International shipping available to most countries. Delivery times vary. Customer responsible for duties and customs fees.

Returns

SYB offers hassle-free 30-day returns on all purchases.

If you are unsatisfied with your purchase for any reason, please visit: https://www.shieldyourbody.com/syb-returns-policy/ within 30 days of delivery to initiate a return.

Full refund processed within 5-7 business days of receiving your return.

Warranty

SYB products come with a 1 year warranty against manufacturing defects.

For full policy details, please visit: https://www.shieldyourbody.com/warranty-terms/