Gokarna Wool Blend Polo Sweater Buy Replacement PID Sensor for RAE Systems UltraRAE 3000 Monitor 023. A sophisticated alchemy of wool, silk, and linen creates a vision of fluid elegance in this rib knit polo sweater. The long sleeved silhouette features a sharp classic collar and a traditional button front, balancing artisanal texture with the brand's signature sartorial precision. It radiates a mood of poised, timeless grace. 66% wool, 18% silk, and 17% linen blend Tactile fine ribbed knit construction Sharp, structured classic collar architecture Masterfully made in Italy