I think it suits you better than the chinchilla you had when we left." A little pink came into her cheeks.

This was the first time he had ever spoken of her clothes; and to hide the sudden strange emotion she felt, she said coldly.
"Yes, I intended to.

I shall always hate that chinchilla coat." And he turned away to the window, stung again by her words which she had said unconsciously.

The chinchilla had been her conventional "going away" bridal finery.

That was, of course, why she hated the remembrance of it.
As soon as she had said the words she felt sorry.