The full manufacturer's warranty from Nike is only valid when the Nike Winter Sweater Knit Hat & Scarf is purchased from an Internet Authorized Dealer. We will match any Internet Authorized Dealer's best price on the Nike Winter Sweater Knit Hat & Scarf. The Nike Winter Sweater Knit Hat & Scarf may be referred to by the following terms: 339144-032 MISC, 339144-108 MISC, 339144-664 MISC.