Perfect synthesis of technology, comfort and performance. It is the most versatile model of the entire range, because it is suitable for all kinds of rock. The tested lacing system and the perfect stiffness of the midsole offer the best compromise between sensitivity and friction. Vibram XS EdgeDeveloped to provide maximum edging support, the Vibram XS Edge compound delivers excellent pure grip while adding improved firmness for the most challenging edging moves. Thanks to an improved resistance to plastic distortion, it keeps its shape even after hours of use, maintains consistent feel in both hot and cold temperatures, and is formulated for improved durability.