The La Sportiva Boulder X is particularly suitable for technical accesses and via ferrata thanks to its particularly grippy sole and the climbing zone in the toe area, which are suitable for use on the wall.shaft in chamois leather with all-around rubber protective edge for maximum protection against wear and tear during the climbing phase. Patented lacing system, derived from the Mythos climbing shoe project. Both the fit and the lacing system are asymmetrical. Vibram sole with a new concept: design to improve grip during climbing and Impact Brake System for more grip during descent. Use in soft Eva 2 mm with anti-shock properties.Impact Brake SystemInnovative system attached to the sole which absorbs the impact, helps when walking uphill and prevents slipping when walking downhill. Designed and developed in the research and development centre...