1. Transferring facial pressure to the auxiliary headgear support, reducing facial discomfort and pain caused by wearing aviator glasses for long periods of time 2. Lightweight design, no burden to wear 3. PU leather material, easy to clean 4. Adjustable elasticity to meet different needs 5. Easy to install and use 6. Material: PU leather 7. Size: about 47.5 x 4.5 x 0.1cm 8. Weight: about 10.9g 9. Note: only auxiliary headband, no other included
