It should be thick, long and made of good quality material, trendiest are those with wide turtle neck. In my closet I already have white, chunky-knitted, mid thigh sweater, however I would like to have also a bit shorter and narrower version. This one fits my other half too, and we defintely wear clothes in different sizes :)). If you don't have this kind of sweater in your closet, you should definately buy one. It will look perfectly with black, skinny…