
Mount to Coast
H1
Versatile road-to-trail, but struggles on wet, technical downhills.

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I have a pair of Ultra Raptor II and a pair of Aequilibrium Trek - both have been totally waterproof. I have done a fair few miles in the Ultra Raptor’s. Doesn’t help your situation, but La Sportiva aren’t all bad.
This is it! I made the swap from full boots to these last year for similar reasons, and honestly they’ve held up way better than I expected. I do a lot of mixed hiking and the occasional jog, and the grip has never let me down even on some sketchy scrambles. My feet are pretty narrow too and the fit has been just right.
La Sportiva Ultra Raptors are superb for rocky conditions - tough and grippy
I have hiking boots for rocks and snow. Trail running shoes for anything else. Hoka was good shoes but it's kinda bulky. Merrel Moab 3 as affordable choice, La Sportiva Ultra Raptor II as expensive one.
La Sportiva Ultra Raptor Mid II GTX or Salomon X Ultra would be your best bets. The Ultra Raptor is more narrow. The current X Ultra is a bit more generous in its toebox. They are both very light, but you still get some protection from water and debris because of the high(ish) collar. Note that the collar of these boots provides literally 0 ankle support, though that is the case with ***most*** modern synthetic boots. If you want ankle support, you're better off using a brace, or you have to take the weight penalty and go to a more sturdy, tall boot, such as the Asolo TPS 520 GV Evo, Scarpa Kinesis Pro GTX, etc., etc. Since you do trail running, I'm sure you'll be much more content with the Ultra Raptor or X Ultra than a backpacking boot.
I have this same problem with my pizza slice shaped feet and incredibly narrow ankles and heels. Altras actually make my minor bunion worse because of the sloppy fit and poor stability (not all bunions are caused by tight shoes). I hike and scramble in pretty techy alpine terrain, often off trail/sidehilling/scree, and sloppy too spoft shoes cause way more fatigue and pain. I like a wide toe box, but I need more stiffness and better fit in the midfoot and heel. I have topos, some men's la sportivas, and my boots are men's crispi.
Love my la sportiva ultra raptors for trail

Mount to Coast
H1
Versatile road-to-trail, but struggles on wet, technical downhills.

Altra
Lone Peak Series
Spacious toe box, but cushioning and durability are polarizing.

La Sportiva
Prodigio Series
Great technical grip, but unstable for some, with sizing issues.

Nike
Pegasus Trail Series
Versatile for non-technical trails, but poor on wet, technical.

Mount to Coast
T1
Lightweight, cushioned; but lacing and underfoot protection are issues.

Ranked #1
Salomon - Speedcross Series

Ranked #1
Hoka - Speedgoat Series

Ranked #1
Mount to Coast - H1

Ranked #1
Salomon - Genesis Series

Ranked #1
La Sportiva - Prodigio Series

Ranked #1
Mount to Coast - H1