- One Shoulder Ribbed Cropped Top - Soft & medium weight high stretch Rib Knit - Women's top with very soft stretchy fabric. Style number: BT5508 Fabric Details: 95% Polyester, 5% Spandex It is really comfortable and fits your body perfectly. One shoulder style makes you more trendy and sexy. Perfect to wear in party, night out, and holiday. 95% of customers are satisfied with its softness, fit, and easiness to match.