Designed in collaboration with two of America's most famous IPA brewers: Sam Calagione of Dogfish Head Brewery and Ken Grossman of Sierra Nevada, this Riedel Set of 2 Spiegelau IPA glasses have been carefully crafted to enhance the drinking experience of IPA beers. Created to showcase the various aromatic profiles for which hop-forward American IPAs are known, these unique glasses help preserve the beer's frothy head and concentrate its aroma so the drinker can discover different nuances of the IPA with every sip. Hailed as the go-to glass for IPA beers, this is one set every IPA connoisseur should own! Set of 2. Each glass holds 19 oz. and measures 3 2/9" in diameter x 7 1/3" tall.