Snooky, technically it is a size 41 but it seems most La Sportiva's run almost a half size small. I would order the 41.5 to make sure you have enough room.

There should have been a sizing icon but they must have forgot it. Go here:

http://www.backcountry.com/store/sizingchart.html?sizing_id=102&sku=LSP0116&pg_id=100000043&subcat_id=40&cat_id=100000009