13 oz.; $499;arcteryx.com This super-light, minimalist jacket is made of Pro Shell, Gore-Tex's new waterproof-breathable fabric that's less bulky than its predecessor, XCR. Laminated pocket zippers and sealed seams help keep weather out. Gripes: The unsealed front zipper undermines the advantages of Pro Shell and the sealed pocket zippers. Props: Compresses to grapefruit size.