The Salomon Synapse Focus Boa puts speed first. Whether it\'s lacing with the two-zone Focus Boa® system, climbing with the Trek EC+ sole, or the responsiveness of the entire boot to your movements. This boot is designed for all-mountain riding and feels comfortable in any terrain. Outer boot The Trek EC+ sole comes with Salomon\'s exclusive technology for all-mountain boots and combines the rebound of Energy Cell+ and the stability of VIBE composite material. Liner The fully thermoformable Full Custom Fit liner and the OrthoLite® C3 footbed with 2 different degrees of hardness, together ensure warm, dry feet and high wearing comfort all day long. The new Quickdry insole is also thermoformable and offers removable ankle inserts so you can adjust the support even more. Lacing system The H4/M3 Dual BOA Lacing® delivers a dual zone BOA® closure system that allows you to adjust foot grip in both the lower and upper zones of the boot. You\'ll enjoy the perfect hold in seconds. FeaturesFull custom fitOrthoLite® C3Trek EC+ outsoleQuickdry insoleFocus Boa®