The Dallas Cowboys Velocity Arch T-Shirt has lightweight polyester fabric and a cross-dyed design that helps accentuate the team graphics and get you ready for kickoff. Product Details:100% polyester. Machine wash. Imported. Style: NKPQ41S7RD; Color: Navy; Size: M; Gender: Male; Age Group: Adult | Dallas Cowboys Velocity Arch Men's Nike NFL T-Shirt in Blue, Size: Medium | NKPQ41S7RD-07A