Keep dry with HyVent® Alpha 2L fabric, a uniquely waterproof, breathable and durable fabric that allows you to move quickly in the coldest and wettest conditions. Synthetic insulation insulates your legs without adding a ton of weight. Upgraded features like reinforced cuffs, stretch gaiters, inner thigh vents, hand pockets and adjustable waist tabs mean you'll have everything you need to stay prepared and keep your internal temperature regulated.