When selecting a morning coat, the choice of fabric goes far beyond simple aesthetics. It's about how the garment behaves. The long tails of a morning coat need to hang cleanly, creating a sharp, elegant line. If the fabric is too light, the tails will 'kick out' or fold with every step, ruining the silhouette. If it's too heavy, the coat becomes stiff and uncomfortable.

This is why tailors favour wools in the 10oz to 14oz range. This weight provides just enough substance for the tails to drape perfectly under their own gravity, maintaining a smooth line whether you're standing still or walking. It's the 'sweet spot' that ensures the coat moves with you, not against you.

Within that ideal weight range, the weave of the wool defines its character. The two primary contenders for morning dress are Barathea and Herringbone. Your choice between them dictates the garment's formality, texture, and performance over time.

Barathea is the quintessential choice for formalwear. It's a type of twill weave, but its construction is unique. It uses a high-twist yarn, which packs the fibres together very tightly. The result is a crisp fabric with a distinct pebbly texture and a clean, matte finish. This lack of sheen is highly prized in formal settings, as it appears solid black even under bright lights, conveying a sense of sober elegance.

Herringbone, on the other hand, is known for its distinctive V-shaped pattern, resembling the skeleton of a herring. It's also a twill weave, but the direction of the diagonal wale reverses at regular intervals. This structure gives the fabric a slightly softer feel and a more textured appearance than Barathea. It also has better wrinkle resistance, making it a practical choice for events that involve travel or long periods of sitting.

While still formal, Herringbone is often seen as a step down from the absolute rigour of Barathea. Its subtle pattern adds visual interest and it tends to be more resilient against minor snags. However, like any wool, it can be susceptible to pilling over time if not cared for correctly.

Ultimately, the decision rests on the occasion and personal preference. Barathea offers an unmatched level of formality with its crisp, uniform appearance, making it the premier choice for the most solemn or traditional events. Herringbone provides a durable and slightly more relaxed alternative, with a pleasing texture that holds up well to the demands of a long day. Both, when chosen in the proper weight, will ensure your morning coat hangs exactly as it should.