These Corteccia Oasi regular-fit pants are made from ZEGNA's exquisite Oasi Lino, spun from 100% traceable, European-grown fibers. Elastic on the back waist ensures elevated comfort, while a flat front keeps the look sleek and streamlined. Finished with pockets on the sides and back. Corteccia Oasi (ˈkorˈtɛtt͡ʃa) – ITALIAN FOR 'BARK', this is the color of tree bark and of the earth in Oasi Zegna, reimagined by our Founder. The tone is identified as dark, earthy brown.