Hello, Rob. I like your new hoody.

你好，罗伯。我喜欢你的新连帽衫。

Oh, right! Thanks a lot. A hoody is a sweatshirt with a hood, by the way.

哦，多谢。顺便说一下，连帽衫是指有帽子的运动衫。

The spelling first of all, 'hoody', or 'hoodie', and more often with the 'ie' than not.

一开始的拼写是hoody或者hoodie，很多时候都是用hoodie。