“I'm This Old" Geek Breathable And Quick-Drying Baseball Cap

Technical data:

Material: 100% polyester

Head circumference:

M: 22.1-23.2 IN(adjustable)

XL: 23.2-24.4 IN(adjustable)

• The cap is perfect for training and everyday use.
• Design with a slightly curved visor.
• The hat is designed to cool your head by venting excess heat through special vents that let out hot air, but are small enough that the sun's rays won't penetrate and cause discomfort.