If you&#39;re in need of an athleisure boost, <a href="http://www.selfridges.com/GB/en/cat/Carvela " style="text-decoration: none"><font color="black"><b>Carvela</b></font></a>&#39;s Lamar <b>trainers </b>are ready to hit the track running. Streamlining and modernising the appeal of running shoes with comfortable neoprene uppers, banded construction and metallic details, they&#39;re the sports-luxe upgrade you didn&#39;t know you needed for nights out in the city.