Gamboa - Hand-Knitted Alpaca Sweater Men - Dark Grey MATERIAL: Alpaca Wool. Alpaca Wool is hypoallergenic, light and warm. Its fibers contain microscopic air bags that make the garments light and delicate while acting as excellent insulators. WARM & SOFT: It will surely keep you warm on cold winter days. You will find that natural materials really beat the cold. DESIGN: Warm alpaca sweater with round style neck. Hand knit by expert artisans. Casual, soft and very warm, perfect for cold weather. Very versatile, functional and comfortable clothing line. Vibrant colors, cool design. Perfect for daily use, it goes with almost everything. Easy to wash. BRAND: Gamboa Genuine Alpaca: alpaca fashion to warm people around the world. Designed and manufactured in Peru. Resulting from a combination between fashion and tradition, our products are characterized by their exclusive designs and our focus on quality.