Neoprene has been around since the 1930s, but it wasn't until the 1950s that it was used to make wetsuits. Developments in the way neoprene is made and the materials it's made from mean that wetsuits today are very different. Different brands use different types of neoprene, which greatly affects the warmth and performance of a wetsuit.   What is Neoprene? In short, Neoprene is made...