Groundingtop’s sheet uses a 90% cotton and 10% silver fiber blend. This is the key detail. The silver fibers are what create the conductive path, and the high cotton content ensures the sheet feels like regular bedding, not a technical fabric. It’s designed to be a passive part of your sleep setup.

In practice, the sheet feels cool and soft, indistinguishable from a quality percale. The included grounding cord has a built-in 10k ohm resistor for safety, a standard and important feature for any earthing product. You’ll need to connect it to a properly grounded wall outlet or a dedicated grounding rod outside. The kit includes a test pen, which is useful for verifying the conductivity of the silver fibers themselves.

Be aware that the test pen only confirms the presence of conductive material in the sheet. It does not verify that your outlet is correctly grounded or that the circuit is complete. For that, you’ll need a standard outlet tester, which is a separate purchase. This sheet is a straightforward, well-made tool for those exploring earthing, provided your home’s electrical grounding is verified and functional.