Over the last four or so years, Rab has been on top of the technical fabric world, churning out shell after category-smashing shell. That streak continues with the Phantom, which, as the lightest waterproof/breathable shell on the market, has the weight of a trashbag poncho, the rain protection of a hardshell, and yet somehow the airy feel of a softshell. Oh, and it packs down to the size of a kiwi. 3.1 oz.
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