Sglefrio, (that mean's Skating in Welsh!) is the perfect cosy collection made from an extremely soft AND extremely light yarn that is a clever combination of air-spun baby Alpaca, Extrafine Merino Wool and Cotton. These cosy leg warmers come in in two sizes: S - 1 year - 4 years M - 5 years - 10 years 55% Alpaca 35% Cotton 10% Wool The yarn is Responsible Wool Standard, International Alpaca Association and ISO certified. Care guide: Machine Wash on delicate Wool Cycle. (Always follow care label for full instructions)