These are ANAYI pants. They were sold as autumn/winter items made of thin wool material, but I think they are fine for spring as well. They are made of washable wool, so they are easy to care for. The waist is elastic for a comfortable fit. Photos 2 and 3 show the actual product. Product Number: 10212712180 List Price: ¥31,900 Waist: 67 cm (stretches to about 80 cm) Hips: 101 cm Length: 101 cm Rise: 31 cm Inseam: 71 cm Wool Poplin Wide Pants <Hand Washable> ¥31,900 [Autumn Winter Collection 2021] A series using wool poplin material from "REDA". "REDA" is a sustainable company that has been considering the environment and society for over 20 years, and is the first Italian textile manufacturer to obtain "B Corporation (or B Corp)" certification, which is awarded only to companies that meet strict standards. They have traceability of the wool used as raw material for the fabric, actively use mulesing-free sheep, and are recognized by animal welfare organizations for owning ranches and being involved in the growth of sheep. This functional wool poplin material is antibacterial, deodorizing, breathable, and has excellent temperature regulation, and is washable. The smooth texture and moderate crispness make it compatible with various items. These wide pants with an elastic waistband offer a relaxed fit and a handsome design with a center crease. The moderate width allows for a wide range of coordination options. The light blue color (No. 62) can be worn as a set with the Wool Poplin Tuck Sleeve Blouse (Product Number: 10212713180) made of the same material. - With pockets - Elastic waistband