Wherever the trail takes you, go with confidence in the lightweight and waterproof Alto Light HS. Boasting uncompromised protection from the elements in a minimalistic design, the Alto Light is one of our lightest hiking shells. The 2.5-layer Mammut DRY Tour laminate made with recycled polyester is PFC-free and waterproof. This hardshell jacket delivers a great range of features optimized for hiking, including underarm ventilation and adjustable hood, hem and cuffs. Lightweight, versatile and compact enough to stow in its own pocket, the Alto Light is a must-have for walks near and far from home.