It's a huge myth that GY or hand welter construction is water proof or water resistant.It is not much more water resistant than channeled Blake stitches shoes.Water simply sipped into insole from outsole.
ETF can also reverse split as well, see most volatility ETFs.Remember, ETF is at least an derivative from its underlying. Sometimes it's a second derivative whose underlying is an derivative itself.Caveat emptor. What you buy is not what you see for ETF.
Check the shoe care or shoe construction threads where these issues were debated.
Sunken toe plates barely makes any sound.
Toe nails don't really protect toe wear, IMO. And on the other hand, sunken toe plates might hurt your inseaming but that is debated.