I am guilty of keeping lots of pairs that I don't actually wear! I do need a clearout. I have:
1 pair of knee length boots
6 pairs of ankle boots (3 of those I never wear)
5 pairs of smart trainers (2 of those I hardly ever wear)
4 pairs of scruffy trainers (I do wear these, I keep one pair at home for going to the gym, one pair at work for walks at lunchtime and a pair in each of the cars for muddy walks)
6 pairs of sandals (4 of those I never wear)
1 pair of walking boots
1 pair of wellies (never wear)
2 pairs of crocs (I only ever wear 1 pair for gardening)
3 pairs of slippers (I only really wear 2 of them)
1 pair of mary jane style heeled shoes (wear very rarely)
1 pair of wedges (ditto)
1 pair of stiletto heels (never wear)
Probably some others that I've forgotten about too!