If your favourite hat is slightly too big, you can adjust the fit effortlessly with these hat sizers made from soft yet firm foam. Simply attach them to the sweatband, and your hat will fit perfectly.
- 5 mm thick, reducing the hat by one size
- High-quality adhesive sticks securely to different headwear
Size:
- Length: 11 cm
- Width: 2 cm
- Thickness: 0.5 cm
How to use:
- If possible, clean the sweatband before application.
- Carefully peel off a small section of the backing and apply the adhesive side where needed.
- Slowly remove the rest of the backing while pressing the hat sizer firmly in place.
- Ensure an even and smooth fit.
- The hat can be worn immediately, but for best results, let it set overnight.













Completely OK.