Numentum Technology�a �neutral positioning� system that keeps you stable on the most rugged terrain and encourages your foot�s natural biomechanics. Integrated TPU shank and arch support provide torsional rigidity and mid-foot support. Shock dispersal plate in forefoot for protection from stone/tree root bruising. * Vibram nonmarking slip-resistant lugs provide grip and traction on varied surfaces. 60-durometer EVA midsole for optimal shock-absorbing cushion. 70-durometer EVA stability postings on medial and lateral sides for neutral positioning. * eVent waterproof, highly breathable membrane keeps feet dry and comfortable. Nubuck leather upper for abrasion resistance, support, and protection. Padded collar for protection and light support. * Rubber toe protector. Low-cut for greater flexibility. Designed for traditional hiking, fast hiking, all-day walking.