attachable accessory turtlenecks, sweaters, t-shirts, polo's, and longsleeve shirts with selectable colors, (you can just cut + paste sprites from existing suits & stuff)
so you could mix and match with the pants selection.
(and remove redundant tacticool turtleneck and psychologist turtleneck because you can make your own)
opens up a wide variety of custom combinations, which would be really sweet.
Also please,
combine all the winter coats into one button, called winter coat selection.
there's 10! winter coats to select from, and you don't really have a reason to have more than 1.
this applies to the berets and eyepatches as well.
also, sashes, which come in a variety of colors.
as well as bandoliers, so you can carry more stuff