David Archy Men's 4 Pack Cotton Ultra Soft Thermal Heavy Thick Warm Knit Dress Trouser Socks 75% Cotton / 22% Polyamide / 3% Spandex Comfort: The mens thermal socks blended of ultra cotton fabric provides smooth, breathability and cozy while spandex adds elasticity and increases socks durability Stay Warm: Thermal heavy fleece inner design will keep your feet warm all the day, care you in the cold weather Durability: Reinforced-toes and heels with seamless sewing technique provides you better wearing experience Versatile: Perform well as basic solid dress socks and casual socks for daily wearing NOTE: Soft brushed lining fleece is only applied below the ankle to keep your feet warm while no brushed lining above the ankle