One size fits most. Color varies. Alpaca Fiber is classified as a rare specialty fiber. It is both more lustrous and stronger than mohair, five times warmer than sheep wool fiber & as soft & delicate as the world’s finest fibers. With 22 natural colors of alpaca fleece the fibers can be blended to create a plethora of natural colors. Its hollow fiber contribute to the creation of lightweight apparel with a very high insulation value. Alpaca is easily dyed & does not itch, tear, pill, stain or create static & is generally non-allergenic.