Designed with Salomon's Fast Collective, the S/MAX 130 RACE boots are a new way of building boots. It's Coreframe construction uses a thinner shell, making S/MAX lighter, more agile, and more sensitive. In addition to the pre-shaped seamless liner its fit is customizable under ten minutes, thanks to the new CUSTOM SHELL HD. A Polyurethane material with consistent density ensures perfect wrapping, progressivity and good power transmission.