The Woodwalker is designed for all hunting and farming needs, and nore than sufficent for the harshest of conditions the rest of us might ever face. 
the boot is 17" high and made in 4mm neoprene. Great stretch warmth and comfort with a rubber overlay over the low leg to be 100% waterproof
 
These ladies woodwalker wellingtons are on the smaller size so you may wish to go up a size to your normal fitting.