Everlane The Alpaca Crew Sweater. Gray color. Size medium. Worn a few times - small snag on front of sweater - see photos. Beautiful light gray color, perfect for spring or fall. Sweater is very lightweight and not heavy. 58% Alpaca, 34% Recycled Nylon, 8% Merino Wool, Exclusive of Trimming. With a cool rib pattern and a crew neckline, the Alpaca Crew has all the warmth of a cozy winter knit with a plush, airy feel. Alpacas are lighter on the planet with their soft hooves and gentle grazing—making them easier on pastures than other herd animals. Our airy alpaca yarn is prickle-free, long-lasting, and pilling-resistant.