Linen outperforms every other fabric for cooling according to hot sleepers who've tested multiple materials. The Citizenry's stonewashed version softens the notoriously rough texture.
Multiple Reddit users who tested percale, bamboo, and eucalyptus all landed on linen as the coolest — and CNET specifically called out The Citizenry. The texture adjustment period is real but worth it.
“Tried percale, bamboo, linen, and eucalyptus. The one that felt best for cooling was linen, but it took a few nights to get used to the texture.”