The Sak Women's Bolinas Crochet Clog classic clogs are a year-round essential. They ve been skillfully hand-crocheted using REPREVE fibers. Featuring a fuss-free backless design set atop a smooth leather footbed, you ll love the Bolinas for all-day wear, whether you re staying in or heading out. Exterior: Hand-crochet, Polypropylene Yarn Interior: Cotton Jersey Lining, Leather Slip-on entry None Closed Toe REPREVE recycled crochet string, Leather insole, Padded footbed REPREVE crochet string made from recycled materials including plastic bottles 33% Repreve Recycled polyester + 67% Virgin Polypropylene Wipe clean Imported