Pokoloko Vivian Alpaca Socks CobaltA remarkably comfortable fit, with premium warmth and vintage character. Were talking stretchy, non itchy, lovely colours and warm everything youd want in a high quality sock. Peruvian alpaca is a natural, technical fiber with remarkable thermal properties allowing air circulation on warm days (prevents sweating), and heat insulation on cool days (contains heat). Made with baby alpaca so you get the softest fleece. Alpacas are shorn once per year, and