Reebok Pittsburgh Steelers Troy Polamalu Premier Jersey Body: 100% 5-oz polyester premier mesh body Sleeves/Yoke: 100% 5-oz polyester premier dazzle Collar: 100% 8.6-oz polyester rib knit Inserts (select teams): 100% 8.6-oz polyester engineered stripe knit Engineered and constructed to replicate the game-day Pro Cut jersey Single-layer dyed or screenprinted tackle twill player name and number give the appearance of multiple layers Screenprinted team wordmarks, logos and sleeve details Embroidered NFL&reg; Equipment patch sewn onto bottom of front collar or fabric insert Reebok&reg; and NFL&reg; Equipment jock tag with alpha sizing and team-specific helmet graphic applied above left hem Reebok&reg; logo screenprinted on each sleeve