Win a brand new Speedo STR 1.5 Triathlon wetsuit, courtesy of www.wetsuithire.co.uk. All you have to do is email info@wetsuithire.co.uk with 'competition' as the subject line with your answer to the following question: What material is the Speedo STR 1.5 made out of? Do this and the wetsuit worth £164.99 could be yours for free!