- The only hat you'll ever need. Not just for Dads, this hat offers our maximum comfort and flexibility made for all-day wear in all conditions. The Dad Hat is super breathable and features a soft yet durable sweat band and fastener. The eco twill technology creates a strong base to keep the hats shape for years. The fit is fully adjustable for maximum comfort with a simple and very soft fastener. The CushFit gives you the best level of comfort and consistency over time so the hat does not go flat or stretch out. All products are ethically sourced and contain no animal products. All hats come with a 10-year warranty.