Materials: Made of sturdy PC shell with thickened multi-density EPS foam inside, which can absorb impact energy effectively to minimize the risk of harms to head in crash.
Size: Fits head circumference: 55-63cm/21.6-24.8in. Single-Hand dial retention system and quick release chin strap are easy to adjust and secure the cycling helmet perfect fit on your head.
High Quality: Lightweight but hard shell design means that you will grow less fatigued from carrying a helmet on your head, and still provide full safety protection.
Ventilation System: The 26 air vents help to circulate air through the bike helmet, keeping your cool and dry during riding. Stylish design and bright color for a classy look.
Occasion: Great cycle helmet, suitable for city, road, electric, mountain bike. Great choice for riding, skiing and other outdoor activities. Specially designed for adult riders. 
Adult Bike Helmet, Adjustable Lightweight Airflow Cycle Helmet Safety Protection for Urban Commuter
Features:
-- Lightweight helmet will not cause any burden to the rider´s head during cycling.
-- A perfect holiday gift for family and friends who like riding.
-- To secure perfect fit of this bike helmet on your head, please measure your head circumference correctly before purchase.
Specification:
Material: PC + EPS Foam
Colors: Multi-color
Size: Fits head circumference: 55-63cm/21.6-24.8in
Style: Trendy
Applicable gender: Unisex
Applicable scene: Outdoor
Package Included
1 x Helmet
Promise
If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.