Karrimor viper mens hat the karrimor viper hat is the perfect choice for going out on your outdoor adventure its lightweight construction is fully breathable allowing you to stay cool and dry whilst also offering a waterproof protection against rain this hat has a insect repellent to stop little bugs interfering in your trek a wide rimmed design offers you shelter from the sun it also features two popper fastenings to give you an alternative look karrimor branding is stitched onto the