The duck cap has the very practical function of shielding your eyes from the sun. The bowl of this cap is designed with ventilation holes to relieve sweltering heat and create a comfortable wearing experience. Each hat has a metal brass buckle for flexible adjustment and a concealable adjustment strap for convenience and practicality and more aesthetics, creating a perfect fitting duck tongue hat for running, working out or just keeping cool on the road. It also features a quality lining for a more upright fit. This cap can be customised with a logo and is available in a variety of colours. Made from cotton material, measuring 22.83 inches, this custom custom logo embroidered duck tongue cap. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: Portable, durable, practical for daily use.