Online Store › 051326-Y-K Concentric "Hi Koo" 100% baby alpaca Image 1 of 1 051326-Y-K Concentric "Hi Koo" 100% baby alpaca $20.00 sold out Concentric “Hi Koo” 100% baby alpaca in variegated denim blue. 200g/400m. Two available. Sold Out Added! Concentric “Hi Koo” 100% baby alpaca in variegated denim blue. 200g/400m. Two available.