These sheets have the same finishing treatment that makes our standard Truly Soft sheets so revolutionarily soft but ups the cozy factor for those cooler nights with flannel fabric. This large scale geometric pattern is perfect for any season. Made of 100% cotton flannel fabric with our signature Truly Soft treatment. You can rest assured this program is made responsibly with OEKO-TEX Standard 100 Certification. You can trust the Truly Soft brand with over 10 years of quality products for your home consistently delivering great value.