The Haglöfs Alper Proof Pants deliver tough, breathable protection with 3-layer PROOF Pro shell fabric rated at 20k/20k to handle resort laps and deeper mountain missions alike. Pre-shaped articulated knees and zippered thigh vents give you freedom to move and breathability when you're working hard, while built-in snow gaiters with elastic webbing and rubber grip keep powder out of your boots. A high, velcro-adjustable waist, reinforced leg ends, and an asymmetrical hem add durability and a dialed fit that works whether you're cruising groomers or navigating spicy tree lines.