The full manufacturer's warranty from Nike is only valid when the Nike Womens Half-Zip Windtop is purchased from an Internet Authorized Dealer. We will match any Internet Authorized Dealer's best price on the Nike Womens Half-Zip Windtop. The Nike Womens Half-Zip Windtop may be referred to by the following terms: 256880-244 XL, 256880-522 L, 256880-522 XL, 256880-552 M, 256880-629 L, 256880-629 XL.