UGG Women's Chevonne Women's Waterproof Slip on Chelsea Rainboots Boots

I do not see a size on these but I believe they are a size 9. PLEASE  GOBY MEASUREMENTS AS I AM NOT FAMILIAR WITH UGG SIZING.They measure 11 inches from toe to heel measuring from the back of sole.  Tons of life left. Has some spots here and there.  Free US Shipping.