Alegria Opal Slip On (Women) - White BreezeMeet the Opal a stunning mix of clog and sandal! With a stain resistant leather upper, a padded sling back strap with a cute charm, and a slip resistant outsole, this twist on a classic is as stylish as it is practical. American Podiatric Medical Association (APMA) Accepted. Leather upper. Stain resistant upper. Leather and microsuede lining. Padded heel strap. Adjustable hook and loop ankle strap. Durable microsuede footbed. Slip resistant