Zeta Phi Beta Sorority Greek Clothing. Women's Small ZPB Sorority Performance T-Shirt. Vibrant Royal Blue Active Tee Featuring a Crisp White Since 1920 Graphic Across the Front. Crafted From Smooth, Lightweight Moisture-Wicking Performance Fabric With Textured Ribbed Mesh Shoulder Panels for Superior Breathability and Full Range of Motion. DTF Essential ZPB Greek Paraphernalia Sorority Activewear. Polyester-Spandex Blend.