It's not just cotton, it's PIMA COTTON! Pima Cotton is just like cotton but made with higher quality fibers that make the underwear breathable, hypoallergenic, and resistant to pilling or fading.. These Pim hi-cut undies are much softer than regular cotton panties and we've added some stretch and removed all the tags for added comfort. This flattering panty silhouette features fuller back coverage and a wide elastic-free fused waist band for staying power, comfort and flexibility. 5 Tag-free Imported Material & Care PimaCotton Machine washable or hand wash for best results