Timeless and elegant, Falke's Airport socks feature reinforced stress zones for extra durability and long lasting wear. With cotton on the inside for softness against your skin, the true innovation of this design is temperature regulating wool outside and just enough stretch for a perfect fit. Falke Airport socksMid calf height, long comfort band at top, hand linked toe60% virgin wool, 23% cotton, 15% polyamide, 2% elastaneReinforced stress zones for added durabilityMachine wash Size: 43. Color: Dark grey. Gender: Male. Age Group: Adult. Material: Polyamide.. Airport socks, Men's, Size: 43, Dark Grey