Like-New Black 10" high Snow Boots, size 10 but runs small

Black water-proof snow boots, 1" heel 10" high boot with 7" front zipper with attached tongue Nylon-type synthetic outter material, padded knit inside with a 3" faux-fur top lining. Non-skid, grooved sole Very good condition, like-new. Size 10, but runs small, more like a size 9 to 9-1/2