Discover the perfect blend of luxury and comfort with our Performance Linen Blend Pillowcases. Featuring NASA-engineered Outlast® technology and premium FLAX linen, these pillowcases actively regulate temperature while you sleep, reducing night sweats by up to 50%. Experience the textured elegance that gets softer with each wash. Patented Outlast® fibers and Linen blend gets softer with each wash. Includes two pillowcases in a set OEKO-TEX® STANDARD 100 Certified Technology. Certification Number: SH025 151577 TESTEX Performance Linen Blend combines Outlast® viscose with 10% FLAX™ Linen for a high-end look that stays comfortable throughout the night. The Performance Linen Blend Pillowcases have a single-ply construction with long staple fibers for high-quality, breathable comfort while you sleep peacefully. The Viscose / Outlast® / Linen blend gets softer with each wash.