The women's UGG® Ultra Short is designed for durability, comfort and years of wear. Made with top of the line Twinface sheepskin, this boot features a removable and replaceable insole that has the ability to keep your feet warm. This boot contains materials that are not waterproof. This style tends to run a size large. We recommend ordering a size smaller from your typical shoe size. If you are in-between sizes, we recommend ordering one-half size down. * Twinface grade A sheepskin with a suede toe and heel guard * Approximate boot shaft height: 7¾" * Removable and replaceable insoles are a part of a comfort system that makes this collection unique * Triple layer comfort insole is made of: EVA, latex heel and arch support * Mylar reflective barrier attached to lasting board captures body heat and circulates it to create a natural foot warming mechanism * Multi surfaced lugged bottom with heel cushioning insert * Molded rubber lug cup sole for strength and durability on rugged surfaces * Available in whole sizes only. If between sizes, order one-half size down * This product contains materials that are not waterproof * By UGG® Australia; Imported.