Lighter and more packable than an umbrella, the Bantamweight Jacket is our go-to for any adventure where the weather might surprise us. Weighing in at less than a pound--heck, less than half a pound--this versatile rain jacket gets us through any outing without a second thought. The Bantamweight's Pertex Shield membrane boasts reliable waterproof power paired with fully-sealed seams that amplify its weather resistance.