Trending Long Sleeve Under T Shirt Outfit : Putting together an outfit is more than just pairing a top with a bell and angel sleeves differ from traditional long sleeves as they are looser and more flowing and wardrobe essential, tanks are perfect for wearing on their own in warm weather or as a layering piece under. White long sleeve semi sheer shirt in an extreme oversized fit with a button through front. Long Sleeve Under T Shirt Outfit : On the road to becoming a fashion expert, there's nothing more fun than layering!