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Prints, checks, stripes, long or short sleeves, grandad styles and more, River Island has got you covered with every kind of green casual shirt for men that you need. With shades from olive to emerald and everything in between, there is a green casual shirt that is perfect for you with a variety of different styles to choose from. Pair a stripe green casual shirt with a T-shirt and trainers for an ultra-casual look or rock it with black for a night out with mates or to impress on a date.