This vintage 2003 hat can be worn while playing sports, outdoor activities, weekend getaways, fishing, camping, running, parties, biking, kayaking, hip hop, baseball, golf, tennis or driving. Its fabric is soft and skin-friendly, comfortable and wear-resistant. It has an adjustable back buckle on the back, which is suitable for most people and allows the wearer to achieve optimal comfort. Buying this 21st birthday hat for him and her is the best gift for men and women born in 2003.