Notch Classic Adjustable Hat White/Grey cap is strikingly attractive and a fantastic hat for fishing or a day out on the lake. The premium polyester/cotton blended fabric will keep your head cool and looking great at the same time. If you need a durable hat that will last for years, this is the one you want!Features include:Patented Notch technologyWorks with virtually any style of glasses (SEE THE PERFECT FIT GUIDE)Contrasting 3D embroidered logoPremium polyester/cotton blend fabricUnstructured low profile fitMetal slide adjustable strapWhich notch location do you need? CLICK HEREWe offer our patented notches in two locations: Standard Notch and Terra Notch (named after our co-founder).The Standard Notch (pictured above) is designed to work with most wrap-around or sport style sunglasses, shooting glasses, and safety glasses. These styles have a curved appearance, designed to conform to the contour of the head.The Terra Notch is designed to work with most aviator or fashion style sunglasses as well as prescription eyewear. These styles are more squared off at the corners, causing the frame to sit further away from the face. Available sizes: One Size Fits Most Notch Adjustable Hat Size Chart