Keep your hats perfectly fitted and without sweat with these 10 Pcs Hat Sweat Liners! Designed for comfort and practicality, these black felt hat inserts help resize oversized hats by making them snugger while providing reliable sweat protection during sports, jogging, or daily wear. Each liner (26 x 10 cm/10.24 x 3.94 inches) is crafted from soft, breathable felt that absorbs moisture, prevents cracks, and maintains its shape even after repeated use. Easily cut the inserts to customize the fit for baseball caps, golf hats, or other headwear. The moderate thickness ensures seamless insertion into any hat, preserving its structure and style. Reusable and machine-washable, these liners offer a cost-effective solution to extend the life of your favorite hats.[Package Included]: The package includes 10 black hat sweat liners, the quantity can meet your use and replacement needs, you can also share cap sweat liner sweat protection with family and friends[Practical Function]: Hat sweat liners can not only make your hat more three-dimensional, but also reduce the amount of sweat on the forehead by absorbing moisture shed when jogging or doing other sports[Flexible size]: Each hat sweat protector to keep shape measures about 26 x 10 cm/10.24 x 3.94 inches, suitable for most hats, such as baseball caps, golf caps, etc. In addition, you can also cut the cap sweat liner size as needed[High-quality felt]: The hat sweat liner is made of felt material, which is comfortable, breathable, soft, and will not dry and crack. The hat sweat liner is reusable and easy to clean[Easy to wear]: The hat inserts to make fit smaller with moderate thickness can be easily inserted into the inside of any hat or cap, showing the shape and lines of each hat. Hat liners sweat protection is a very practical hat accessories in daily lifePlain