Tough, rugged and reliable, the Mammut Men's Ayako High GORE-TEX Boots are essential for multi-day hikers and backpackers looking to take it up a notch. Super strong suede uppers resist abrasions and promote breathability, bolstered by a GORE-TEX lining that guarantees waterproof performance. The Vibram Mulaz outsole guarantees traction over mixed terrain, with foam cushioning in the forefoot and heel to absorb impact.