These are really warm with a touch of wool! Packs contain 3 pairs of knee socks in a flat ribbed knit: Pack of black orange & grey marl. Pack of charcoal grey & light grey. Pack of navy blue & sky blue. Pack of brown khaki & taupe. WHAT YOU NEED TO KNOW: Knee socks. 54% acrylic 23% polyamide 22% wool 1% elastane.