Four Aces HerfstBock from Brouwerij Het Nest in Turnhout is a dark, experimental bock beer at 7% ABV. Part of the brewery's Four Aces range, this beer showcases their more adventurous brewing approach.

The beer pours very dark brown to nearly black with a small light beige head. The nose reveals roasted malt, caramel and sweet coffee aromas. The palate delivers coffee and caramel flavours, grounded by a firm bitter finish characteristic of the style.