- Tank Bandana Hem Square Neck Top - Soft & Medium weight stretch Rib Knit - Women's tank top with very soft stretchy fabric. Style number: BT5479 Fabric Details: 95% Polyester, 5% Spandex It's skin-friendly and comfortable. Sleeveless and halter neck style makes you more slim and attractive. Perfect to wear in casual, daily, and school. 85% of customers are satisfied with its softness, fit, and easiness to match.