NWT Sperry Women’s Saltwater Duck Boot Size: 6 Color: Grey/Black Material: Leather (upper), Rubber (bottom) New with the box!!! Leather upper with a waterproof rubber foot. Rawhide lacing with rust proof eyelets for secure fit. Side zipper closure. Micro-fleece lining and cushioned insole for warmth and comfort. Any questions, leave a comment below. 💜 Check out my closet for other items to bundle and save! 🔥