- Durable ABS hardshell for protection and EPS foam liner for security
- Retention system provides a secure and snug fit
- Easy-to-use magnetic Fidlock® buckle
- Size small fits circumference 48 cm – 54 cm and hat sizes 6 1/2 – 6 3/4
- Size medium fits circumference 55 cm – 58 cm and hat sizes 6 7/8 – 7 1/4
- Size large fits circumference 59cm – 61cm and 7 3/8 – 7 5/8