NWT BOLL & BRANCH Heathered Duvet Set Size King/Cal King 1 Duvet Cover & 2 Shams Artisan made in Portugal, these revolutionary Flannel sheets are velvety soft, and offer a rare balance of warmth and breathability. It starts with the highest quality threads sourced from the finest 100% organic cotton on earth. To create an exceptional handfeel, we add a brushing process then triple shear the fabric to naturally reduce the appearance of pills. The Feel Singularly cozy with a rare balance of warmth & breathability The Look Lavish, triple sheared to naturally reduce the appearance of pills Details 100% organic cotton Long-staple cotton ensures the highest quality and durability 4 interior corner ties on our duvet cover to secure to our duvet insert corner loops Hidden zipper closures on the duvet cover and shams for a refined finish