Unorganized and half proofread J28-WS notes. I ignored the carryover 28 stuff because there have been a lot of 28s already, but obviously fit/pocket set up is good.
-hood is seam taped, the first I have seen for WS ACR jackets. Having peripheral vision with full rain protection is very nice, especially if you wear glasses. The only ACR hoods that have kept my glasses dry are this one/j1e, full snorkel hoods, j74, 76, and the j1 2.2/j59.
-WS is less rigid than GT pro, so the boonie sits more relaxed when not worn compared to the J1E. On both the 28 and J1E, I have found the hood to sit flush with only the two center hood snaps connected. The outer ones are easy to reach for more security/coverage as needed. The hat diameter is smaller than the J1E, which fits my head better. I do like that I can fit a beanie under the J1E's hood, but since the 28 is WS I probably won't be needing a beanie when I'm wearing it anyways.
-WS construction also means the elbows don't flare, while still providing unrestricted movement. Puffy elbows was one of my main gripes (albeit minor) with the GT pro version. The 28 sleeves are also a perfect length for me, generally medium sleeves are slightly long on me.
-Auxzip is a nice addition, previous "full featured" WS jackets like the 61 and 47a did not have it. I would have traded auxzip for self stowing / packability
-2.2 collar works well in WS, especially when folded down and means backwards compatibility with other 2.2 J1A's and the J59-GT. I have my 28's hood on my 59gt, and have been wearing the 28 without a hood.
-Chest snap would have been nice. The 81 has three, with the same? low weight center zip/narrow centerfold construction, and the 2.2 J1A has two with the same collar set-up.
-As with the 47A-WS, the back waist cinch is a nice addition (though one I rarely use)
-RainDrop seems like it will work, but I haven't played around with it much and haven't needed it. Leaving them stowed you essentially have two mezzanine interior pockets. Since the stowing strap for the RainDrop is in the middle, it also acts as a pocket divider. It is nice to have as an option though the 28 already has more pockets than you would need.