Cotton stretch fabric that moves with you, lay flat collar, wicking cool comfort fabric, fresh iq: advanced odor protection. # Pieces In Set: 5-Pack Features: Odor Resistant, Moisture Wicking, Stretch Fabric Closure Type: Pullover Head Fit: Regular Fit Neckline: Crew Neck Sleeve Length: Short Sleeve Fiber Content: 95% Cotton, 5% Spandex Fabric Description: Knit Care: Machine Wash, Tumble Dry Country of Origin: Imported