Amazon.com | Icebug Metro2 BUGrip Women。Icebug\'s best-selling winter boot. Metro2 BUGrip is a comfortable studded winter boot that you can walk in during winter without the risk of slipping. 16 steel studs provide traction on icy streets. A sleek design and wide versatility have made Metro one of Icebug\'s true classics and bestsellers. The upper is made of water-repellent suede, and the zipper on the inside of the foot makes the boot easy to slip on. The 16 dynamic carbide steel studs allow you to walk many miles on asphalt without worrying about wearing out the boots!