🚴【 MTB Helmet for Adults】: Lixada adult bike helmet is designed to fit head circumferences of 21.65 - 22.83 inch and 23.22 - 24 inch (MEDIUM SIZE: 21.65-22.83" / 55-58cm; LARGE SIZE: 23.22-24" / 59-61cm), ensuring a snug and secure fit, removable pads make this adult cycling helmet fit to different head size and fits both men and women. 【 KIND REMINDER】: ALWAYS take a head measurement. Head sizes and shapes can vary, even within an age range. Using a helmet that doesn't fit can be dangerous! 🚴【Safety Cycling Helmet】: This full face bike helmet is equipped with an EPP chin support, this adult mountain bike helmet offers enhanced conservation, thus making sure you are safe in a case of an accident. Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older. 🚴【 Lightweight Design】: This adult mountain bike helmet are only 700g (24.69oz) and 720g (25.39oz) for medium and large size, ensures long-term use without causing any strain or discomfort to your head and neck. 🚴【Premium Ventilation】: Designed with over 31 vents, this helmet provides ample airflow and cooling. This specialized ventilation design allows air go through the helmet which can help increase the speed and keep cool. 🚴【 Comfortable Bicycle Helmet】: Featuring a removable and washable comfort liner, this MTB helmet ensures easy maintenance and hygiene, adjustable length chin strap to make it Comfortable fit and comfortable to wear. This multi-sporting protective gear is suitable for urban commuting, cycling, scooter riding. No one enjoys cycling in warm weather with a stifling helmet. That's why Lixada adult bike helmet is designed with over 31 vents, ensuring abundant airflow and cooling to make your ride more comfortable, this helmet is especially for both men and women.

Features:
This adult mountain bike helmet is designed to fit head circumferences of 21.65 - 22.83 inch (55-58 cm) and 23.22 - 24 inch (59-61cm), ensuring a snug and secure fit, this helmet is suitable for both men and women.
Equipped with an EPP chin support, this mountain bike helmet offers enhanced conservation. 
Featuring a removable and washable comfort liner, this MTB helmet ensures easy maintenance and hygiene. 
Designed with over 31 vents, this helmet provides ample airflow and cooling. 
Lightweight in design, this helmet ensures long-term use without causing any strain or discomfort to your head and neck.

Specifications:
Material: PC, EPS
Weight: 700g/  24.69oz
Color: Camouflage Orange/ Camouflage Blue/ Camouflage Green/ Black/ Black & White/ Black & Red/Black & Grey/ Camouflage Grey (optional)
Applicable Size:
Medium Size for head circumference 55-58 cm / 21.6-22.8 inch
Large Size for head circumference 59-61cm / 23.2-24 inch
Kind Reminder: Please measure your head circumference before order!
Dimensions:
Medium Size: 36*23.5*27cm/14.2* 9.9*10.6in
Large Size: 36.8*24.6*28cm/ 14.5*9.7*11in

Package list:
1 * adult bike helmet