Ariat x Pendleton Caldera Boot Sought-after Ariat Pendleton Collection. Caldera Western Boots featuring premium tan leather and a stunning Pendleton wool lining at the shaft. This collaboration blends Ariat’s legendary craftsmanship with Pendleton’s iconic patterns for a truly elevated western boot. Rear zippered closure for ease of wear with a snip toe, stacked western heel, and subtle stitched detailing. The Pendleton lining is perfect for denim, dresses, or festival looks. A beautiful statement boot from a limited collaboration — perfect for collectors or anyone who loves elevated western style.