The summary seemed to be something along the lines of – warm and almost waterproof, very fitted arms so can only fit base-layers underneath.
Reading the article, my concern was that it will be too warm. They gave their top recommendation to the Gore Oxygen OS, largely because it is thinner than most softshells and so is more versatile.
Did Cyclesurgery offer any advice on sizing? I am tempted by one of these but am not going to be near a store this week. My issue is sleeve length primarily.