Product Details: 

Brand:ROCKBROS
Model:YPP038 & M005BK
Material: Ice slik fabric PE hat brim
Color:black
Weight:YPP038 70g ,M005BK 30g
Size:Free size 

Product Features: 

Spring & Summer Cycling Cap Breathable & Cool
Serves As A Helmet Lining
Exquisite Ice Silk Fabric
Outdoor Sun Protection
Use With Helmet
High Elasticity And Comfort 

Breathable & Cool