Renowned for precision fit and grip, the VJ IRock excels in orienteering, obstacle courses, and technical skyraces, making it ideal for shorter to middle distances in various terrains. The IRock 4 has been upgraded with a soft antislip heel for better foot shaping and stability during intense performances. Minor tweaks to the upper enhance the overall fit. Known for its aggressiveness in softer conditions, the shoe features a lug configuration for optimal grip without accumulating debris. The Butyl rubber outsole ensures world-famous grip. The Schoeller®-Keprotec® upper is durable, and the Fitlock system provides added protection and a personalized fit. Exeptional grip on all surfaces Perfect tight fit with the Fitlock system Remarkably durable and protective fabric with aramid fibres Technical Features Drop: 6 mm Midsole stack: 29,5 mm Lug Depth: 6 mm Activity: Orienteering, Trail Running, Swimrun, Obstacle Course Racing, Sky Running Weight 240g (size 42) Materials Outsole: VJ Superio