Cooling

The most cooling materials are those that allow airflow and wick moisture rather than trap it. Bamboo viscose, European linen, and organic cotton in a percale weave are the top three. Each releases body heat differently — linen and bamboo through high porosity, percale through a crisp grid weave — but all three outperform sateen, microfiber, and flannel for hot sleepers.

Yes. Bamboo viscose is naturally more moisture-wicking than cotton, pulling sweat off your skin so it can evaporate instead of pooling. The fibers also have a silky-smooth surface that doesn't insulate the way thicker cotton sateen does. Bamboo bedding tends to feel cool to the touch even before you get into bed, which is why it's a common pick for hot sleepers and warm climates.

Percale, by a wide margin. Percale uses a one-over-one-under weave that leaves space between threads for airflow — that's why it feels crisp like a hotel sheet. Sateen weaves four threads over one, which produces a smoother, denser fabric that traps more heat. If you sleep hot, choose percale; if you prefer a heavier drape and don't run warm, sateen works.

A comforter can absolutely be cooling if it's lightweight and breathable. Look for low-fill-weight down or down-alternative comforters rated for warm sleepers, and outer shells made from cotton or bamboo rather than polyester. Our Lightweight Premium Down and Down-Alternative Comforters use breathable shells and reduced fill so they layer without overheating, even in summer.

Yes, when they're made from the right materials. The cooling effect comes from how the fabric handles airflow and moisture, not from any added technology. Breathable fibers like bamboo viscose, linen, and percale-weave cotton release body heat and wick sweat away faster than densely woven sateen, microfiber, or flannel — which is why hot sleepers notice the difference within the first night. If a cooling sheet doesn't feel cooler in practice, it's usually because the weave or fiber doesn't actually breathe.

Wash cooling sheets in cool or warm water with a mild detergent — avoid fabric softeners and dryer sheets, which coat fibers and reduce moisture-wicking and breathability. Tumble dry low or line dry. Percale and linen actually soften and become more breathable with each wash, so regular laundering improves performance over time rather than wearing it out.