Outdoor Research Helium II
At just 6.4oz, this ultra-lightweight jacket is completely waterproof with a 2.5-layer Pertex Shield+. Packing down to the size of your fist, you may even forget you packed it.
Marmot PreCip Jacket
The Marmot PreCip is lightweight and compressible with a generous feature set. Pit zips, a well-designed and packable hood.
Arc'teryx Beta SL
At just 11.1oz, this super lightweight jacket is made from N40r GORE-TEX® fabric with Paclite® technology to keep you dry no matter the conditions.