Irrespective of what type or style of men's hats you're looking for, our prodigious range won't leave you disappointed. O’Neill is a surf wear brand founded in 1952 by Jack O’Neill, and the brand is headquartered in Santa Cruz, California, US. O’Neill (UK) Limited, O’Neill Belgium NV, and O’Neill Wetsuits Ltd. are the subsidiaries of O’Neill. Green is one of the primary colors from RGB shades.