ALEADERWomens BladeFoam Colorful Running Shoes

I usually wear a 7 and 1/2. Should I get that size or a size up? I see two reviews saying they run big and one saying they run small

does the aleader walking/running sneaker come in any different color than the pink shown?

Are these slip resistant? Need them for work

Any idea on when size 9 in these will be back in stock?