Best Lightweight Backpacking Rain Jackets Under 6oz

A rain jacket earns its slot in the pack by weight first and waterproofing second — and the two compete with each other on every gram. Under six ounces is the cut where a jacket disappears in a pocket yet still sheds real rain through a multi-day storm, which is the distinction thru-hikers and weekend packs both lean on. This page compares the hiking rain jackets in the PackedOut catalog that come in under six ounces of carry weight, side by side on weight, fabric/waterproof rating, packed size, hood, and price. Pick by climate and trip: a DWR-treated wind shell handles summer showers at three ounces; a 2.5-layer Pertex Shield is the right call for sustained rain; an anorak-cut shell saves another half ounce for riders who never need the front zipper.