I think these are a size small however Scubapro in their wisdom decided not to put an actual size on the boots. Sole measures 11"
Dived twice but were too big for size 5.5 feet with FE socks and Latex drysuit socks. Missus thinks they would fit size 6-7
£25 inc postage or £20 collection from Telford. Might be able to do dive site delivery if you are not in a rush.