“55% C.S., 33% Merlot, 7% C.F, & 5% P.V. harvested 9/27 – 10/20/16,, hand sorted, with yields of 2.7 tons/acre;
“Fermented (simultaneous alcoholic & malolactic) using selected yeasts & bacteria with temps @ around 25°C; 18 – 25 days of maceration; Matured 18 mos in oak casks (50% new); Bottled 5/28/18; 13.5% ABV.” 9,167 cases produced.
If interested, check
https://www.internationalwinereport.com/latest-reports/11407-2016-chateau-kirwan-margaux &/or
https://www.winemag.com/buying-guide/chateau-kirwan-2016-margaux/ for their takes on this. [Although I’m unfamiliar with the site,
https://www.vinovest.co/wine/france/bordeaux/chateau-kirwan-3eme-cru-classe-margaux/2016 at least currently has a synopsis of “pro” reviews.] 😉