What materials are collars made of?

Collars are typically made from a variety of materials, including cotton, polyester, nylon, leather, and denim. Cotton and polyester are often used for casual or dress shirts, while nylon is popular for durable outdoor wear. Leather collars provide a classic, upscale look, and denim offers a casual, trendy option. Additionally, some collars may incorporate embellishments or linings made from other materials for added style or comfort.