Champion Double Dry Men's Solid-Color Polo Shirt, Maroon, L Body: 100% Polyester Micro Knit. Rib Collar: 100% Polyester 1x1 Rib Ultra-soft micro-knit fabric wicks sweat, controls moisture buildup, to keep you cool and dry. Details provide a clean finish: rib-knit collar, fabric-taped neck seam, tailored two-button placket, double-stitched vented hem.