Complex sentence: The away kits have been in different shades of blue, royal blue, navy blue and light blue with varied designs which have sometimes been hooped, one irregular hoop or just a block colour of blue.
Split into simpler sentences: The Away kits have been in different shades of blue over the years, royal blue, navy blue and light blue with varied designs. These designs have sometimes been hooped, one irregular hoop or just a block colour of blue.