These are Levi's 503B jeans. I bought them at a used clothing store in Shimokitazawa for about 13,000 yen. Size: Waist: 39 cm Rise: 29 cm Inseam: 81 cm Leg opening: 22 cm Supreme, Yohji Yamamoto, affix, Kiko Kostadinov, Margiela, Raf Simons, kolor, kaiko, doublet, Margiela, vetements, auralee, 1LDK, universal products, Garden, graphpaper, needles, nepenteth, engineerdgarments, unused, uru tokyo, sunsea, vinal archive, crepuscule, buhkt, my beautiful landlet, soe, whowhat, hatra, gramb, jieda, neonsign, The sakaki, sacai, YAECA, DIGAWEL, Auralee, comoli, yantor, Margaret Howell, MHL, DIGAWEL