Powerful grip and stability on complex road conditions: VIBRAM XS TREK EVO rubber outsole with large lugs provide climbing zones and rear brake zones for greater grip and lateral stability. Excellent waterproof performance: GORE-TEX inner boot for sustainable waterproofing and breathability. Strong support: Thickened midsole, dual-density forefoot, embracing TPU structure and embedded plate provides superior stability and support. Higher boots - A favorable mid-cut design to better protect your ankles from sprain. KAILAS self-developed shoe last for Asian feet with enough space in the forefoot and a mid-calf comfortable wrapping design ensures your comfort during long walks. Upper made of 1.68mm nubuck leather for durability and protection. Rubber around the toe box and heel adds anti-impact protection. KAILAS AWS (Adjust Whole Sole) lace tightening system with 2 types of buckles on instep and sides provides easy adjustment, prevents your foot from lurching forward and reduces sliding friction in the shoe. Anti-bacterial and odor-free KORT insole.