There are 2 options for these - bamboo cotton spandex or brushed wide rib. The wide rib is a polyester blend and not rated for sleep. The bamboo cotton spandex is a more breathable fabric.
There are 2 options for these - bamboo cotton spandex or brushed wide rib. The wide rib is a polyester blend and not rated for sleep. The bamboo cotton spandex is a more breathable fabric.