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The Altera Alpaca Adventure 12" OTC and 9"Crew Heavy Weight Sock are our heaviest sock. It is lined with natural alpaca for comfort and performance.  This sock has a dense terry loop construction throughout the entire sock for cushion, a reinforced heel and toe for durability and built-in arch support for a great fit. 


39% Alpaca

28% Polyester

14% Nylon

14% Nylon Silver

4% Acrylic

1% Spandex

Altera- Adventure

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