Short answer
Flannel check is a worsted, brushed cloth of about 310–350 g/m², at its best in winter. The winter check in brushed worsted — pattern with a whisper, not a shout.
At a glance
FamilyWorsted, brushed
Weight310–350 g/m²
SeasonWinter
Best forWinter suits, trousers
Choosing Flannel check at your fitting
Tell the tailor your cities and your calendar — Flannel check earns its place when the answer matches winter wear. The shortlist you receive will pair it with one or two alternatives, and the choice is always yours.
Cloth notes are guidance, not inventory: availability varies by season. What is reserved for you is confirmed in your written quotation.