$85 · Black Diamond rock climbing shoes size 11 in black

I have a brand new pair of Black Diamond Mission XP rock climbing shoes in size 11, but they are probably more like a normal size 10.5 (and that is why they don't fit me and I have never worn them). I was planning on using them for biking, but you can use them for hiking or just wearing around town! I paid $100 for them, regularly