Quick answer
An alpaca is a domesticated South American camelid raised mainly for its fleece. It is smaller than a llama, part of a wider camelid family, and central to high-Andean pastoral life and fiber production.
Why alpacas matter
Most people encounter alpacas through finished products rather than through animal husbandry, but the useful order runs in the opposite direction. The animal comes first, then the fleece, then the yarn or fabric, and finally the garment or object. Understanding that order makes product language more honest and easier to interpret.
Alpaca versus llama
Alpacas are generally smaller, more fleece-focused animals. Llamas are larger and historically associated more strongly with packing and multipurpose use. The distinction matters because “alpaca” in apparel usually points toward softness, fineness, and fiber performance, while “llama” discussions often begin with the animal rather than the textile.
Huacaya and Suri
The two best-known fleece types are Huacaya and Suri. Huacaya alpacas have the fuller, crimpy, more cloudlike look that many people picture first. Suri alpacas are rarer and are known for longer, more lustrous locks and a different kind of drape in finished material.
Before moving into products
Three questions are worth fixing in mind before reading any alpaca product page: what the animal is, what the fleece is, and whether the product being sold is actually textile apparel, a toy, a felted object, or a hide-based decorative piece. Those categories should not be merged.