Made of 100% polyester performance fabric, this performance crew is perfect for active wear, with moisture wicking technology to keep you dry and no chafe seams for comfort. Arc Rating Type: Not_applicable Features: Moisture Wicking Arc Thermal Performance Value (atpv): Not_applicable Closure Type: Pullover Head Fit: Regular Fit Industry: Construction Neckline: Crew Neck Sleeve Length: Short Sleeve Fiber Content: 100% Polyester Fabric Description: Knit Care: Tumble Dry, Machine Wash Country of Origin: Imported