Pajama Heaven Women's Bamboo Jersey Pajamas 95% viscose from bamboo The short sleeve top has a scoop neckline with pleats that give this top a great fit. Pant features wide elastic waistband with 2 side pockets. Perfect lightweight material for spring and summer nights Pajama Heaven Jersey is a stretchy, silky soft material that feels light against your skin. The material is made of 95% viscose from bamboo and 5% elastane Sizing Runs as follows: Small (2-4), Medium (6-8), Large (10-12), XL (14-18).