Slip on Vans camel color

I ordered custom vans slips on with extra cost for the comfy cushion and wore them once and realized I got them too big. These are size 7 in women I need half size smaller I paid $80 plus shipping and taxes for the custom color. Vans color glazed ginger. These are like brand new I just received them wore them once and I’m super sad they are too big. Will ship in custom vans duster bag and box. Tabacco color. Camel color. Carthartt color. Very trendy color light brown tan