Not all shoe collections are perfectly proportioned; you will, no doubt, have different shapes and sizes of shoes as well as at least one pair of boots?
So this 4-tier shoe rack from Woodluv gives you the option of 4 straight shelves just for shoes or a combination unit with a taller section just for boots.
WoodLuv 4-Tier Natural Bamboo Shoe Rack – with 4 equally proportioned shelves, each with space for 3 pairs of shoes. W70 × D26 × H69 cm. (available from amazon.co.uk)
WoodLuv 4-Tier Natural Bamboo Shoe and Boot Rack – this option is basically the same design but with a section for tall boots also. W70 × D26 × H69 cm. (available from amazon.co.uk)