That sounds about right, some brand name stuff is cheaper in France, I got Hexa boots for Castle in France which were way cheaper than the same that Shires sold. Eskadron is a very good brand, they'll last you for a good while
I bought some Eskadron over-reach boots two years ago and have worn them nearly every day and not lost one (velcro really sticky) and apart from when hacking with SSM at the river and he jumped on himself (thank god for the boots!) are still really good condition. Went out and bought the back ones last year and they are brill too!