This lightweight adults cycling helmet is constructed from hard plastic shell and shock-absorption EPS foam,which can provide maximum guard for you.It features multiple attachment points,you can install your accessories(not included),like headlamp,earmuff,taillight.Good for hiking,climbing,caving,etc.

Features:
Strong plastic shell and EPS foam absorb shock and impact,provides better protection for you.
Headlamp clips provide universal headlamp(not included) assembly for night use.
Two side slots are available for cap mounted earmuffs(not included).
Back loop provides taillight(not included) attachment.
Adjustable dial makes the helmet fit head sizes: 56-62cm / 22.0-24.4in.
Removable and washable mesh liner inside keeps helmet clean,fresh and odor free.
12 breathable flow vents keep you cool.
Fine mesh inside avoids head injury from small falling stones.
Adjustable strap with chin pad for comfortable fit.

Specification:
Color: White / Red / Blue / Orange (optional)
Material: Plastic + EPS
Head circumference: 56-62cm / 22.0-24.4in
Air vent quantity: 12pcs
Size: 26*21.5*16cm / 10.2*8.5*6.3in
Weight: approx. 360g / 0.8lb
Package size: 28.5*22*17cm / 11.2*8.7*6.7in
Package weight: approx. 550g / 1.2lb

Package List:
1* Helmet (Headlamp Earmuff Taillight are Not Included)