100% Polyester Imported Drawstring closure Machine Wash QUICK DRYING WATERPROOF FABRICOur mens sun hat is made of premium Nylon and Polyester Fabric. Soft feel and comfortable to wear, not only waterproof, but also very durable and breathable, won't feel stuffy when worn for a long time. Breathable mesh net design, allows good air circulation. Soft brim, easy to fold into pancake shape and carry for outdoor. OVERSIZE DESIGNThe hiking hat circumference is 60cm/23.62", Crown depth: 9cm/3.54", Brim width: 12.5cm/4.92" . This washable head net hat fits most most people's head circumference, comfortable to wear. DOUBLE DRAWSTRING ADJUSTMENTBoonie hat and netting both has adjustable drawstring, easy to adjust rope tension, can keep hat stay on the head well, keep bugs out. Mesh design on both sides of the safari hat, provides more ventilation and breathable, making you more comfortable in outdoor activities such as mountaineering and fishing. PROFESSIONAL SUN PROTECTION: Professional sunscreen fabric that effectively blocks most sunlight. The back neck of sun hat is specially designed a sunscreen cloth to be completely enclosed and protected from sunburn. Featured by a 180 degree mesh net brim, and provide the optimal protection against harmful sunlight and annoying bugs, flies and etc ,effectively protects your skin from sunshine and insect. WIDE RANGE OF USE: Safari hats for men or women vents and mesh lining in crown design, easy to give out heat and cool your face. Great fishing hat for camping, hiking, fishing, beekeeping, farming, gardening and more outdoor activities, keep sun, sand wind and insect biting and disturbing away from you.