As part of Phlannel's SOL collection (“soil” in French, referring to a sense of indispensability), this season's socks from Phlannel are made of luxurious New Zealand Merino purchased from Italy. Wool 80%, Nylon 20%. Made in Japan. One size. RETURN POLICY: Full-priced items may be returned within 7 days of delivery. Items purchased at discount or with promotional code are eligible for a one time size exchange, if available, and are otherwise final sale. Items marked as final sale may not be returned or exchanged. Orders shipped outside of the continental US are also final sale. View our full Return Policy here.