These protectors all include Nordic Chill, a synthetic fiber developed for its superior heat transfer and cold-to-the-touch feel.

It's manufactured using a micro extrusion process similar to Tencel and has a thinness that contributes to a higher thread count when woven into fabric. The fiber's aligned molecules and molecular connectivity allow it to quickly conduct heat away from the body, offering a more comfortable and cooler sleeping experience than traditional materials like cotton.

Clearly the very best cooling protectors in the industry.