Full chaps for a tall skinny?

[Overgrown Pony]

Hey guys. Looking for recommendations for full waterproof cosy chaps. Tried the Mark Todd ones which were a decent length but were absolutely gaping at the tops of my legs.

I'm 5ft10 and 8.5st.

Cheers x

 

[Littlelegs]

No idea, I've always had the same problem so I'll be watching this.