The true WEST INDIAN SEA ISLAND cotton, known as ""Gossypium Barbadense,"" grows only in the best climatic conditions and is exclusively cultivated on the Caribbean islands of the British West Indies. WEST INDIAN SEA ISLAND cotton is handpicked and expertly processed. This rare and expensive raw material contains the longest cotton fibers in the world. Combined with the fineness of the fiber, with a micronaire value around 3.0, it ensures unparalleled strength, brilliance, and silkiness. A rigorous control system and a network of commercial partners guarantee the 100% authenticity of this precious raw material. The WI.SI.CA (West Indian Sea Island Cotton Association) organization controls every kg of cotton produced on site and issues the corresponding certificate of authenticity.