From Rothy's, The Daily Driver Knit Loafers feature: Flexible knit upper (Rothy's signature thread, which is spun from recycled plastic bottles) Slip-on construction Unlined Arch effect insole with ultra-comfortable arch construction Supportive, pegged rubber outsole Imported. Styling Notes: Machine Washable: Toss in the wash with cold water. Air dry. Wear again and again.