polyester, silicone or glass fiber, a synthetic fiber made with ethylene, a thermoplastic polymer, by a process called polymerization Longsleeve T-shirt #590500912
If you need a timeless long-sleeved t-shirt, this soft long-sleeved crew shirt is the one for you. It has a 100% combed ringspun cotton, 32 singles thread weight, 4.3 oz. fabric weight, a set-in 1x1 baby rib collar and a tear away label.