Australian Wool Reversible Waterproof Underlay by Onkaparinga feature:

Australian Wool Fleece
Waterproof underlining
Machine Washable

​These waterproof Australian wool reversible underlay provides year round comfort with an added protective layer. Made from the finest Australian wool with a cotton backing, this underlay will have you sleeping in complete comfort all year round. Cool in summer and warm in winter with an added waterproof layer, you will be sleeping on only the best.