"It’s easy to justify the 3.5 ounces for this wind- and waterproof nylon shell pant that packs down inside its own pocket to the size of an apple." –Backpacker magazine
You don't have to choose between windproof and waterproof - with the Ultra you get both.MEN'S B.
All of the great features of the Ultra Jacket v2 now in pant form
30,000 mm water entry pressure and 30,000 moisture vapor transmission rate
Weight: 3.5 oz / 100 g
10D High-strength Nylon 2.5L Waterproof-Breathable