The perfect jacket for anyone looking for a technical all-rounder. The Alto Guide is perfect for everything from day hikes to first adventures in mountaineering. Made from 100 % polyamide, the high-quality, elastic Mammut DRYtechnology Pro 3-layer material is both breathable and waterproof. The bio-based membrane contains castor oil, a renewable raw material, and the waterproofing is PFC-free. Multiple features, which include backpack-compatible front pockets, a helmet-compatible hood with reinforced peak, and a 2-way zipper for easy climbing harness access, make the hard-wearing Alto Guide an ideal weatherproof jacket for mountain and hiking tours. A smart choice for your mountain sport adventures: functional, durable and eco-conscious.