So you're planning on dressing up like Santa Claus, and thoughts of puffy white beards and and ruby-red stocking caps, velvet coats and cozy mittens are dancing around your head like sugarplums. Take some advice: forget all that and go simple with this red, 100% cotton t-shirt with a Santa costume print across the front. It's all you need really; leave the nitty-gritty to the professionals.