bSoft Seashells Blue Shortsleeve Top and Shorts 95% Bamboo Viscose/5% Elastane Short sleeve scoop neck top features a slight flair around the hips to give this pajama top a relaxed fit. Classic fit shorts sit at the natural waist and stays in place with a wide stretchy elastic waistband for a comfortable fit. bSoft 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).