Ulla Popken Women's Plus Size Knee High Flight Socks 644853 Fabric: 82% polyamide, 18% elastane Do not iron, Do not tumble dry, Machine wash Knee-high flight socks, great under any pants or jeans Give soft compression to stimulate circulation Perfect for travelling or long periods of sitting or standing Wide softly banded cuffs to keep them gently in place 70 denier thickness, can be worn all year round