2XU Maternity Compression Tights - Postnatal Activewear Graduated fit enhances circulation to alleviate swelling in the ankles and feet Double-layered compression helps support your pelvic floor muscles, Fabric panels target the lower back to support your posture Compression helps reduce fatigue during activity and tired muscles after Assists in blood flow as your blood volume increases 40%-50% during maternity Features like a wide waist band, soft-touch tummy panel and seamless construction offer additional comfort