Unlike his wife, the husband didn't seem to be enjoying the shopping.

Literal

Husband [topic-は] wife [with-とは] contrastingly, shopping [object-を] is-not-enjoying appeared.

~とは対照的に = 'in contrast to.' 楽しんでいないようだった = 'seemed to not be enjoying' — combines ている (ongoing) + ない (negative) + ようだ (appearance) + った (past). A multi-layered observation.