Mountain Warehouse Merino Kids Trousers -Breathable Childrens Legging Merino Wool Merino Blend - 80% merino, 20% polyester for longlasting use Lightweight - Easy to pack, wear and travel in cold weather Breathable  Airy, lets moisture out of this childrens clothing ensuring you stay dry Naturally Antibacterial  Fibres of this essential keep you fresh and odour free