100% cotton. Comfort fit promise - no ride up. Soft, comfortable underwear that feels good all day, every day. Soft, pre shrunk cotton for a superb fit, wash after wash. Smooth, covered, stay-in-place leg bands. Wide waistband for comfort and durability. Tagless panties - no scratchy label. Size 9: 44-45 inch hips; 16-18 pant size. Made in Vietnam.