An Alpaca Wool Base Layer is the best choice for hiking, the active outdoors, lightweight travel and backpacking. Fabric made from 100% Royal alpaca is incredibly light, breathable, naturally repels odor & is wrinkle resistant. The unique fibers naturally wick away moisture to keep you warm & dry, while microscopic pockets retain heat. Alpaca wool is soft to the touch, contains no lanolin, has the highest tensile strength, resists solar radiation...the list goes on!  SUPERIOR TO MERINO, alpaca makes the best wool base layer for all your outdoor activities.