Jerzees Men's Heavyweight Blend T-Shirt (Pack of 12) 50% cotton / 50% polyester Pull On closure 29 Jerzees T-Shirt Pack Of 12 Tees. Seamless Body With Set-In Sleeves. 1X1 Seamless Ribbed Crew Neck Collar. Double-Needle Cover-Stitched Neck. Double-Needle Sleeves And Bottom Hems.