Lightweight rain shells can skimp on coverage. So a happy surprise was the OUTDOOR RESEARCH FANATIC JACKET ($145, outdoorresearch.com). With its spacious cut and stretchy Pertex Shield DS ripstop fabric — offering full mobility and protection — the Fanatic was breathable, super-light (9oz), and weatherproof. Its durable, waterproof fabric, elasticized cuffs, taped seams, and drawcord hem adjustment kept me dry in an epic downpour, and then the jacket self-stuffed into a side pocket for easy packing once the sun reemerged — nice! Available in men’s and women’s versions.