The Riedell Jammer Skate is a great boot for any jam skater or derby skater. The shearling tongue lining and the subtle leather lining, with possible custom leather options from the 911 boot make this great for comfort and style. The 911 Boot is designed to keep you in control at all times while skating. The PowerDyne Revenge plate responds in an instant to hit all those moves you’ve been working so hard to learn. These skates have Radar Zodiacs in order to keep you rolling smooth and looking good.