A rare and especially intense DESSERT WINE made by pressing frozen grapes that have been left hanging on the vine into midwinter, sometimes February. (Eiswein carries the vintage date of the main harvest year, so even if, for example, eiswein grapes were harvested in January 2015, the bottle would carry the vintage date 2014). When eiswein grapes are harvested in late winter, they are gently pressed while still frozen, so that the ice is separated from the remaining concentrated, very sweet, high-acid juice. Because of their ACIDITY, eiswein are usually less unctuous but more vibrant than BEERENAUSLESEN or TROCKENBEERENAUSLESEN. Eisweins age for decades and are extremely expensive.