These luxuriously soft rib alpaca leggings/footless tights keep you warm like no other. Hypoallergenic fibers make them perfect for sensitive skin. They can be worn as tights or as an extra layer under trousers.. Fits size US 4-12 Composition: 38% Baby Alpaca / 37% Acrylic / 23% Nylon / 2% Spandex. Please note our leggings are nice and stretchy and much like tights they appear tiny but have a lot of stretch.