Use a tape measure (or a length of string that you will have to hold up to a tape measure) to determine the length. Place the string or tape around your head about 1/8″ above your ear, across the mid-forehead, completely circling your head. Hold the tape firmly, but not too tightly. Basically you need to measure your head exactly where the hat will sit. If your measurement falls between sizes, choose the next largest size.
Learn more:https: //www.tiendahat.com/pages/style-size-advice
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🕶【HIGH-STRENGTH LIGHTWEIGHT MATERIALS】We’ve made sure to pour the highest grade of every feature into our DALWA Polarized Sunglasses. Our lens are Polarized UV 400, Scratch resistant and Water proof as well. The frame of our sunglasses are made with TR90 Shape memory material allowing high flexibility, and high impact resistance- Using TR90 Shape memory material in general creates a super Durable, Flexible, and lightweight frame.
🕶【TAC Polarized Lens】99% UV400 protection coating, blocks 99% harmful UVA & UVB Rays and protect eyes perfectly. TAC lens includes 7 layers. The 1st layer is polaroid layer. The 2nd and 3rd layers are adhesive layers to enable durability. The 4th and 5th layers are UV protection layers to absorb UV light. The 6th and 7th layers are shatterproof layers.
🕶【NO MATTER DAY OR NIGHT, IT WORKS WELL】Our sunglasses are made of special photochromic polarized lenses. When driving at night or into a dark environment, the lenses are lightcolored transparent to enhancing the visibility while effectively reducing the glare. During the daytime, it can effectively filter the strong light, enhance the visual sharpness, reduce eyes fatigue, and keep the eyes always in the most comfortable state of outdoor activities.
DETAILS & FEATURES▼
• Polarized Grade-A Lens
• TR90 Flex Frame
• Scratch Resistant Lenses
• Shatterproof Lenses
• Hydrophobic Lenses
• Polarized Grade-A Lens
• Anti-Reflective Coating
• 100% UV Protection
• Lifetime Warranty
Discoloration Test Methods▼
INCLUDES ►►► Sunglasses*1, Glasses Case*1, Sports glasses rope*1 , Soft Glasses Cloth*1, Soft Glasses pouch*1, Polarized test card*1
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