The guayabera (), also known as camisa de Yucatán (Yucatán shirt), is a men's summer shirt, worn outside the trousers, distinguished by two vertical rows of closely sewn pleats running the length of the front and back of the shirt. Typically made of linen, silk, or cotton, and appropriate for hot and/or humid weather, guayaberas are popular in the Caribbean (especially Cuba, the Dominican Republic, Jamaica, and Puerto Rico), Mexico, Central America, South America, Southeast Asia, the south of Spain, and Portugal. Design The design of a typical guayabera is distinguished by several details: Either two or four patch pockets and two vertical rows of alforzas (fine, tiny pleats, usually 10, sewn closely together) run down the front and three down the back of the shirt. The pockets are detailed with alforzas that are identical to, and aligned with, the alforzas on the body of the shirt. Long or short sleeves, the more common being the short-sleeved version, having a cuffed sleeve with a single decorative button. Some shirt designs include slits on either side, and these include two or three buttons. The bottom has a straight hem and is never tucked into the trousers. The top of each pocket is usually adorned with a matching shirt button, as are the bottoms of the alforza pleats. Vertical rows of adjusting buttons are often used at the bottom hem. While most versions of the design have no placket covering the buttons, a few newer designs do. Though traditionally worn in white and pastels, guayaberas are now available in many solid colors. Black guayaberas, embroidered with colorful flowers and with French cuffs, have for many decades been extremely popular in Mexico and are considered formalwear in some situations. Mexican guayaberas often use complicated embroidery as a supplement to the traditional alforzas. This style originated in Mérida, Mexico. History The exact origin of the garment is unknown, although some sources attribute the shirt to the people of the Philippines who introduced the design to Mexico. Specifically, the design is believed to be from the lace-like white Philippine barong Tagalog, which has documented origins in the Philippines prior to the arrival of the Spanish. It made its way to Cuba through Mexico via the Manila-Acapulco galleon trade (AD 1565 to 1815). Some scholars dispute the Philippine origin based on perceived design differences. The barong traditionally does not have pockets and has an intricate U-shaped