These black Rick Owens X Birkenstock Rotterhiker flat leather boots feature a round toe, a Velcro strap across the front with a Birkenstock logo patch, an additional side-release fastening strap across the front and a flat rubber sole. Designed from smooth leather, these Rick Owens flat boots are ideal for your next outdoor hike (to South Molton Street, naturally). We're wearing ours with hoop earrings and a parka.