Alpaca Wool surpasses Merino. Alpaca fibers, honed in the rugged Peruvian Andes over centuries, shield you on any adventure. Unique Semi-Hollow Fibers: Lighter Weight Enhanced Insulation Smoothest Fiber Scales: Moisture Wicking Softer, Resistant to Felting High-Performance Fiber Lets you pack lighter, venture farther. Maximize your outdoor experience with the ultimate performance fiber. Alpaca Wool is light and requires less frequent washing, allowing you to explore with less weight.