Women's ALEGRIA Olie Work Shoes Practical meets fashionable with the Olie, a sling-back leather clog. This twist on a timeless classic features a stain-resistant leather upper, padded sling-back strap with an adjustable buckle, and slip-resistant outsole. This style also provides the comfort Alegria is known for with a durable microsuede removable footbed that can easily be swapped from medium to wide width.