These pants have a beautiful, high-quality texture with flowing all-over pleats. Below Description is from Uniqlo website. Overview - Cut and sewn polyester crepe fabric that is comfortable and supple, with all-over pleats. - Vertically flowing pleats allow for a casual yet elegant look. - Straight cut with elegant vertical lines. - Recommended for everyday use as well as for travel. - Perfect for casualwear or for dressing up. *Please note that darker colors or uneven underwear may show through the thin crepe fabric. If you are concerned about undergarments showing through, we suggest wearing beige underwear or innerwear such as body shapers. Materials Please note that this product may have different product ID, even if it is the same item. - The images shown may include colors that are not available. Fabric details 97% Polyester, 3% Spandex Imported Function details - Sheer: Not Sheer(Only 30 Natural is slightly sheer) - Fit: Regular - Silhouette: Straight - Pockets: No Pockets Washing instructions Machine wash cold, gentle cycle, Do not dry clean