Thorlos Unisex XSNB Snowboard Thick Padded Crew Sock 61% Thor-Wick WARM polyester, 36% Thor-Lon acrylic, 2% Spandex, 1% Nylon Made in US Turn Inside Out-Machine Wash-Use Liquid Fabric Softner Cushioned shin, calf, and instep reduce boot pressure for more comfort and protection during extreme lateral movement and quick stops Padding in the ball and heel absorbs shock and is specifically engineered for snowboarding Ventilation panel for extra moisture control and breathability Low profile toe seam won't rub or irritate feet