Aloha shirt interior, resulting in the muted color on the exterior, and are called "reverse print". Those not familiar with this practice might consider it to be a manufacturing defect because the shirt appears to be sewn together inside-out. The related concept of "Aloha Attire" stems from the Aloha shirt. Semi-formal functions such as weddings, birthday parties, and dinners are often designated as "Aloha Attire", meaning that men wear Aloha shirts and women wear muumuu or other tropical prints. Because Hawaii tends to be more casual, it is rarely appropriate to attend such functions in full evening wear like on the mainland;
Greeting be expressed both audibly and physically, and often involve a combination of the two. This topic excludes military and ceremonial salutes but includes rituals other than gestures. A greeting, or salutation, can also be expressed in written communications, such as letters and emails. Some epochs and cultures have had very elaborate greeting rituals, e.g. greeting a sovereign. Conversely, secret societies have often furtive or arcane greeting gestures and rituals, such as a secret handshake, which allow members to recognize each other. In some languages and cultures, the same word or gesture is used as both greeting and farewell. Examples are