S-M-L-XL-XXL-XXXL-XXXXL

1.Imitation armour helmet type multi-directional protection, not only pp material protection, but also splicing shock absorbent foam, human body parts specially designed protection 
2.Built-in environmental protection foam buffer design
3.PP soft shell spliced with shock-absorbing foam, not only shockproof but also protective, metal mesh and punching design are safe and breathable
4.In the arm stress position, with shock absorbent, protection, breathable and elastic adjustment functions
5.Back protection improves riding safety
6.According to cycling habits, the cuff is specially designed to fix the protection position and improve the safety factor