Origin of fabric: Japan, Origin of dyeing: Japan Lightweight polyester tech tee jersey w/ Silvadur, UPF50+, 110gsm Imported Cormac Crew Neck Shirt SS: Performance tee for high-output activities Trail: For technical mountain activities, durable and protective designs with a focus on freedom of movement for remote and varied conditions. UPF Rating (Sun Protection): A textile that provides protection from exposure to ultraviolet radiation. Use in sun or on snow. Phasic: Engineered polyester base layer material offers excellent moisture management properties. Fair Trade Certified: Produced in a Fair Trade Certified facility. Building worker well-being into our product DNA.