Seraphine Tammy Underbump Bamboo Active Maternity Leggings Under bump full length leggings in breathable bamboo fabric Can be worn for excercise or fashion 86% Viscose Bamboo 10% Polyamide 4% Elastane Machine Wash/Hang to dry Sizing: (Order Pre-pregnancy Size) Small/Medium= 4-8 Medium/Large= 8-12 86%