OluKai Pa'ani - Women's Comfort Slipper - Sheepskin. The Pa'Ani slipper by OluKai offers a unique style with superior comfort with its sheepskin lined orthotic supportive insoles. Great for wearing around the house or running errands on a cold day! nubuck leather uppers come lined with genuine sheepskin shearling, keeping your feet warm and comfortable, even during those chilly mornings. A removable merino wool footbed means there’s plenty of room for your favorite custom orthotics and OluKai’s special Drop-In Heel™ design lets you switch between slipper and backless slip-on effortlessly. Before you’re forced to wake up and walk across your cold floors, put on a pair of Paani slippers!