Boxers by SYB


The SYB Boxer Briefs are an incredibly comfortable way to block up to 99% EMF / EMR radiation from cell phones, laptops, wifi routers, bluetooth and other wireless devices from your body and reproductive organs.

Shield Your Body from harmful electromagnetic radiation with the SYB Boxer Briefs.

The World’s Most Protective Underwear.

  • Blocks up to 99% of EMF radiation from cell phones, laptops, wifi routers and other wireless devices from your body and reproductive organs.
  • 5G Tested up to 40 GHz. Also works on 4G/LTE, WiFi and Bluetooth.
  • Anti-bacterial, anti-microbial and anti-odor.
  • Made from 42% silver, with 53% cotton and 5% nylon.
  • The entire brief is made from EMF shielding fabric, providing you with complete 360° protection, unlike inferior alternatives.
  • Made in Canada, with high quality North American workmanship.
  • Machine washable.
  • FREE SHIPPING in the US, Canada, UK, EU and Australia – with no import duties.
  • LIFETIME WARRANTY on every order– the strongest warranty in the industry.
  • 30 DAY RETURNS no questions asked.
  • All prices in US dollars.

Real Science

The SYB radiation blocking SYB Boxer Briefs is a product of science, not superstition.

By weaving a mesh of silver microfibres through their cotton underwear, they have create an effective Faraday Cage which prevents up to 99% of all wireless EMF radiation from passing through.

Even More Powerful

The same EMF-repelling silver fibers that line the boxers also make them odor-killing to prevent bad smells or dirtiness, and anti-bacterial to improve hygiene and health.

The reality is that wearing a pair of the SYB boxers offers you the same level of comfort and support as any high-quality underwear, but only SYBs have the built-in technology to protect you and your fertility from harmful radiation.

Complete Protection

The entire brief is made from our shielding material, so you have complete 360° coverage.

This means your reproductive organs are protected, at all times, from all sources of EMF, like the cell phone in your pocket, your office wifi, or that laptop in your lap.

Machine Washable

Your new SYB Boxer Briefs are machine washable!

Care: Machine wash on ‘delicate’ setting with cold water, or hand wash in cold water. Air dry. Do not bleach, iron, or dry clean.


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