When selecting fabric for groomsmen’s attire, consider the event’s formality and season. Wool offers a classic, refined look and works well for formal or cooler weather. Linen is ideal for warmer climates, providing a relaxed, breathable option, but may wrinkle easily. Cotton is versatile and comfortable, suitable for less formal events and a range of temperatures. Each fabric has its benefits, so choose based on the setting, comfort, and desired style of the wedding.