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. The name tan is derived from oak bark used in the tanning of leather.