From the manufacturer: Level up your perfect polo. This supersoft option is ideal for golf, travel, or date-night. Our insanely-soft Flowknit fabric is not only sustainable, but jam-packed with performance features like moisture-wicking and anti-odor for ultimate versatility. Our Flowknit is made from Global Recycle Standard poly yarn, which diverts and recycles plastics destined for landfill or the ocean, so you can feel and look good in what you wear. 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.