A bit more formal than a standard-issue t-shirt, the ultra cotton long sleeve tee is a clear comfort winner. The sleeves also act as a nice frame. There are no side seams. The shoulders are taped for improved durability. This makes for a good fitting around the shoulders and neck. The cotton used for these shirts is environmentally friendly. .: 100% cotton (fiber content varies for different colors) .: Medium fabric (6.0 oz/yd² (203 g/m²)) .: Classic fit .: Sewn-in label .: Runs smaller than usual