FoxRiver Kids' Hockey Wick Dry Youth Tube Crew Socks 88% Polypropylene/11% Nylon/1% Spandex Made in US FORGET THE BLISTERS: There's nothing worse than getting blisters during your time on the ice; these ultra-lightweight liners use our exclusive Wick Dry technology to keep feet dry and avoid the moisture build up that cause blisters MADE OF POLYPROPYLENE: Synthetic water-repelling hydrophobic fiber won't accept moisture; virtually abrasion resistant, durable and stain resistant WHY WEAR A LINER?: Liners help control your foot temperature and add comfort with soft, smooth fibers against your skin, protecting you from irritation PINNACLE OF COMFORT: Smooth, flat toe seam doesn't rub or irritate during wear; adds durability so it stretches every way you do without unraveling BACKED BY COMPANY STANDARDS OF EXCELLENCE: Fox River products are guaranteed against manufacturing defects for one year; products may be returned within one year with the dated receipt to the store where you purchased them or by following our FoxSox.com return process