The quality of the boots is OK for the price.  The circumference for size 7.5 is 14.5". They are for the people with small calf.  It runs a little large for color Camel.  If you don't have wide feet, you may need to order half size smaller.  A friend of mine also purchased Opera boots from Amazon with Camel color size 8.  She also feels that the boot does run large (at least 1/2 size large).