Roxy Sneakers (Sheilahh 2.0)

Navy/White Size 8, but fits like 7.5 Purchased last year I love these slip-on sneakers, but they don't fit. They are a size 8, but fit like a 7.5 I ordered them from Roxy online after trying a similar pair from the same collection in store. These are a different material and a half size smaller. I paid $75 the Roxy site. Slip-on with elasticated knotted laces 50% recycled sole cushy memory foam footbed soft, recycled linings flexible, feminine fit and feel Not sure of the material. They are describe as being made of "eco-conscious fabric"