The UPF Adventure Cap is perfect for the traveler, wanderer, and, of course, adventurer. This beautiful hat features a durable 100% cotton outer shell and a 48% bamboo, 47% aloe, 5% ndex lining. Real aloe vera fibers woven into the fabric of the lining, ensuring everlasting benefits. The soft, silky lining is cooling, comfortable, and soothing. With its shady 3" brim and UPF 50+ ARPANZA rating, this cap was expertly created to protect from the sun. The pleated newsboy style is fashionable and flattering. This cap provides full coverage, making it ideal for those with hair loss from chemotherapy, alopecia, or other reasons. One size fits most. There is an inner drawstring that allows for size adjustments.