Boots

I was hoping for a bit of assistance with something? I need to find some knee-high or taller boots suitable for someone with larger calves. My significant other (my lovely slave) is having quite the struggle finding boots that fit her, and we thought maybe an online shop catering more to crossdressers might have calfsier options since they are designed with men’s proportions in mind. She’s starting to get discouraged. Any help would be much appreciated.