Size Guide

All BlackBörk caps are designed with adjustable straps to ensure a comfortable and secure fit.
Thanks to the adjustable structure, our caps easily adapt to different head shapes and sizes.

Below you can find the recommended size ranges for children and adults:


Cap Size Chart

Category Head Circumference Fit Details
Children 45 – 51 cm Designed for kids. Adjustable back strap allows the cap to grow with the child and stay comfortable throughout the day.
Adults 52 – 63 cm Suitable for most adult head sizes. Adjustable closure provides a personalised and secure fit.

How to Measure Your Head Size

  1. Use a soft measuring tape.

  2. Wrap it around your head, just above the eyebrows and ears.

  3. Keep the tape snug but not tight.

  4. Check the measurement in centimetres and match it with the size chart above.


Important Notes

  • All BlackBörk caps feature adjustable fastening systems, making them flexible and easy to fit.

  • If you are between two sizes, we recommend choosing the larger range for maximum comfort.

  • Children’s caps are specially proportioned for smaller head sizes, while adult caps are designed for wider adjustment.


Perfect for Daily Wear & Gifting

Because our caps are adjustable, they are ideal for:

  • Everyday use

  • Growing children

  • Gifts, where exact sizing may not be known

  • B2B / wholesale orders where flexible sizing is important