* 1 pair of socks: Ethical: OEKO-Tex 100 certified Composition: 75% acrylic, 16% polyamide, 7% merino wool, 3% elastane Acrylic for long lasting buttery softness, Polyamide used for reinforced heels and toes for increased strength and durability, merino wool for added warmth and moisture absorption. PLEASE NOTE: Asenka Pumpkin and Cherry Colours contain some shiny metallic fibres. Sizing (Oversized / Roomy fit): Medium is suitable for: Womens US shoe size 6-9 / Mens size 5-9. Large is suitable for: Womens US shoe size 9-14 / Mens size 10-12