NEW New Balance 580 Outdoor Boot - MRH580DB - US Size 12 Straddling the boundaries between sport and lifestyle design, the hybrid MRH580DB by New Balance delivers a streamline mid-top silhouette with laser-cut leather overlay that boasts debossed branding. A mesh-covered neoprene ankle collar ensures a bootie design, sat atop a superbly-cushioned RevLite sole unit.