Lined vs. unlined boots

I was wondering about this as well. It seems that the majority of unlined boots and shoes seem to be designed with summer in mind. Perhaps the lack of lining reduces humidity by breathing slightly better.

My own experience of the Milton was fitting them on in the C&J store in Jermyn St. The unlined boots felt very soft to me and although while they felt very nice on my initial thoughts were that they would not keep their shape or wear as well as the lined version. That along with the fact they have a leather sole as opposed to the rubber of the Tetbury leads me to agree with hendrix, they are a summer shoe.