Jerzees 437 5.6 oz. 50/50 Jersey Polo with SpotShield is one of the most selling polo shirt. Jerzees 437 5.6 oz. 50/50 Jersey Polo with SpotShield is available in wide range of colors; very strong fabric and soft to wear.50% cotton; 50% polyester; welt-knit collar and cuffs; rib knit cuffs; double-needle stitching on bottom hem for added durability; two-button placket with pearled buttons