4 oz./yd (US), 6.7 oz./L yd (CA), 100% polyester interlock jersey with Pro-Lock technology. Made with cationic disperse dye for a premium fade-resistant printing surface. Moisture-management properties. UPF 50 protection. Snag-resistant. Standard fit. Self-fabric collar. Three-button placket with dyed-to-match buttons. Rolled forward shoulder. Tear away label for comfort and relabeling. Responsible Supplier: this product was made in a facility that is OEKO-TEX and FLA certified.. 41800