Recommended for: Distance trail running and ultra-marathons, speed hiking when ankle support and waterproof protection are needed.A lightweight waterproof speed hiker with the soul of a trail runner – it's the best of both worlds, with great traction and cushioned comfort underfoot, plus the ankle support that's needed on tricky terrain. The smooth rocker sole design allows for a natural rolling motion every step of the way, and the durable jacquard uppers provide great protection and foot hold.