The standard notched lapel is the most common style on suit jackets. You’ll know it by the appearance of a small cut out triangle at the height of your chest. This is the standard on single-breasted suits and is used on nearly all suit jackets, blazers and sports jackets.
The 1920’s inspired peaked lapel is the most formal, featuring on double-breasted jackets and always found on formal coats such as a tailcoat and dinner jacket. This look is making its comeback.
The shawl lapel is when the lapel is on a continuous curve. It began as an informal eveningwear addition, but today is seen in both formal and informal suit styles.
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