The Cat's Pajamas searched the globe for the perfect knit fabric for their pajamas. They started with hand-pulled Peruvian Pima cotton, which is known for its silky luster and unbelievably soft hand. They combined this Pima cotton with Modal to get the perfect drape and added Elastane to give it stretch and recovery so they look and feel great with every wear. These PJs are so luxuriously soft you'll never want to change out of them.