Adjustable elastic and cord lock toggle in the back for a secure and customizable fit. Breathable 100% cotton fabric helps keep you comfortable during extended wear. One size fits most (18 inches to 30 inches head circumference) Machine washable and reuseable for everyday wear. USA made by DK Scrub Hats Handmade from 100% breathable cotton, this Euro Scrub Hat has an adjustable elastic toggle in the back for a secure fit. Lightweight, reusable, machine washable, and designed for nurses, surgical technicians, dental professionals, physicians, veterinarians, and healthcare professionals.