Mas Jullien produces wines from Languedoc's Terrasses du Larzac, a region defined by limestone-rich slopes and Mediterranean influence. The winery's portfolio centers on Grenache-based blends, often paired with Syrah, Mourvèdre, and Carignan—varieties that thrive in the region's warm, structured terroir. La Brune Terrasses du Larzac, a Grenache and Syrah blend, leads the range. The flagship Terrasses du Larzac combines Mourvèdre, Grenache, Syrah, and Carignan into a layered expression of the appellation. Carlan Terrasses du Larzac rounds the core lineup, blending Grenache, Cinsault, Syrah, and Carignan. These wines have been assessed by Wine Spectator, Wine Advocate, and Decanter, reflecting the winery's standing within serious wine criticism. The house style emphasizes the mineral and spiced character typical of Languedoc's southern reaches, where altitude and limestone shape wines of depth and balance.