Koppen La Sirène

Every time I pick this mug up I'm back on a summer deck, that deep La Sirène blue catching the light like the ocean at noon. The glaze has this subtle depth that shifts as you tilt it, and it holds just the right amount of coffee for a slow morning. It's become my daily favorite without even trying.

The glaze on this mug is unlike anything else in my cabinet—the deep ocean blue shifts almost to teal in direct sunlight, with those gulls wheeling across the horizon looking hand-painted. I keep it on my desk just to catch the light changes throughout the day, and the matte finish feels lovely in m

The glaze shifts between navy and turquoise depending on the light, which makes every sip feel like you're staring into that endless horizon. It's heavier than I expected, but in a solid, comforting way that keeps my coffee warm.