Rollerblade WBS Derby inline leather skates made in italy men’s size 11 /Rollerblade inline skates featuring a sleek, all-black design.. Aggressive inline skates suitable for street riding and tricks…Excellent almost new condition.. Rollerblade WBS Derby skates, and pretty rare. Apparently only a short run was produced, mainly for NYC Police. Upper Boot: Black full-leather, high-cut, stitched like a dress shoe but armored for patrol • Frame System: Detachable Walking Blade System —fiberglass construction with easy-release mounts • Wheel Set: 72mm diameter, mounted with ABEC 3 bearings for balance of speed + control • Brake Setup: Heel brake fixed on right boot, standard police config • Fit: Wraparound lacing and power strap = lateral lock without sacrificing stride flex • Use Case: Designed for quick dismount and covert entry-roll in, pop frames, and walk off like nothing happened