Woven with 100% cotton, these sheets feature a percale weave that makes them feel cool and crisp. The percale construction also has a modern, matte coloring. Our bedding is Certified STANDARD 100 by OEKO-TEX® #18.HUS.35124 by Hohenstein - which means our source materials are tested for harmful chemicals and substances. We adhere to the highest standards to protect you and the environment.