Recommended - if you are a size 4 (Ladies) through to size 8 (Ladies): Please select 1 size bigger than what you usually wear. Recommended -if you are a size 9 (Ladies) or above: Please select 2 sizes bigger than what you usually wear. The UGG Collins Shearling Buckled Sandals provide luxury and comfort with a premium cow skin upper and luxurious sheepskin lining. The knitted wool insole adds an extra layer of softness and warmth, perfect for chilly days. With all-day comfort and a touch of sophistication, these sandals are sure to be your go-to style. 100% Australian owned.