NWT UO Collette Square Toe Boots

I have no idea why the bottom of these boots are discolored. I have never worn them, only tried them on once to find out they don’t fit my calves 😅. NOT WIDE CALF FRIENDLY* Box included Style # 85197978 Color Black Size US 9/EU 40 Modern tall boots from UO in premium leather. Sleek silhouette with a square toe and chunky flared heel. Only at Urban Outfitters. Features - UO leather boots - Square toe with high heel - Side zipper closure - UO exclusive Content + Care - Leather, rubber - Spot clean - Imported