Plentiful and quickly renewable, bamboo is a fast-growing plant that is safely converted into viscose -- a silky type of rayon -- in a nonpulluting chemical process.  Blended with the finest, wrinkle-resistant baby alpaca, our ski band is a simple and colorful way to keep ears warm.  Thick and cozy terry plush pile.  65% Baby Alpaca, 25% Viscose Bamboo, 9% Nylon, 1% Lycra.