No twists or slip-ups in this story. The Advanced chassis is designed for a strong stable heel. An integrated gaiter: it makes sense! The grit stays under your soles, not in your shoes. Inspired by SLAB XA ALPINE outsole, Contagrip with Premium Wet Traction rubber is more than a technology, it's a mentality. You can simply ignore slippery terrain and charge ahead. Salomon 2 year limited warranty