Lovells are the best smocks on the market and no they dont do short sleeve ones, as there is very little demand for them, unless they get a bit order for the same size in the same colour.
I have a couple of long sleeve ones I use regularly and never had a problem with catching them on the work or lathe. I also have a short sleeve one which used to be long sleeve but my wife cut the sleeves down and moved the Velcro up.
john