From the manufacturer: The most comfortable polo you'll ever wear now with long sleeves - perfect for golf, travel, date-night, or just lounging. Our insanely-soft Flowknit fabric is not only sustainable, but jam-packed with performance features like moisture-wicking and anti-odor for ultimate versatility. We dare you to take this off. DETAILS SIZE & FIT CARE Made from 78% recycled polyester, 16% polyester, 6% spandex Premium-weight Flowknit fabric made from approx. 20 water bottles Quick-drying, moisture-wicking, anti-microbial, UV-SPF40 Made with low-water, eco-friendly dyes Global Recycle Standard-certified yarn dramatically lowers environmental impact by diverting landfill- and ocean-bound plastic Factory is BSCI certified (Business Social Compliance Initiative), an organization for auditing and improving social gauges in provider nations for all consumer products Made with care in Hefei, China