1. Material selection
✅ High-quality fabrics:
Cotton: breathable and comfortable, suitable for daily wear
Wool: warm and stylish, suitable for autumn and winter
Blended (such as cotton + polyester): wrinkle-resistant, wear-resistant, easy to care for
2. Craftsmanship details
Key inspection points:
Stitching: 3mm inner dense stitches, no exposed head
Brim: built-in 2-3mm thick shaping piece (bendable but not easy to crease)
Lining: breathable mesh or cotton lining (sweat-absorbing and anti-allergic)
Label: laser engraved/embroidered brand label
3. Pattern and size
Measuring method:
Use a soft ruler around the widest part of the head circumference (usually 2cm above the eyebrows)
General size reference:
S (54-56cm)
M (57-58cm)
L (59-60cm)

4. Functional requirements
Sun protection type:
Choose UPF50+ fabric
Brim width ≥7cm (effective sun protection)
Waterproof type:
Surface Teflon coating treatment
Seams taping process
5. Maintenance tips
Cleaning suggestions:
Hand washing is preferred, water temperature ≤30℃
Put on the hat holder when drying in the shade to prevent deformation
Storage tips:
Hanging storage (avoid stacking)
Store in moisture-proof box (anti-mildew and anti-deformation)

