Construction Helmet Mountaineering Helmet for Rappelling Hiking Caving

【Adjustable Fit】: Equipped with an adjustable tension knob, this helmet offers a smooth rotation for easy size customization. It accommodates head circumferences ranging from 54-60 cm, ensuring a secure and comfortable fit for various users 【Quality Material】: Crafted from high strength ABS, this Construction helmet is designed to withstand wear and tear while maintaining lightweight properties 【Enhanced Breathability】: Featuring multiple ventilation holes at the top, this Hard Hat ensures good ventilation to keep you cool during extended wear periods in demanding environments 【Comfortable Chin Support】: The thickened chin guard is detachable for easy adjustment and cleaning, offering enhanced comfort and clean during use 【Quick Release Buckle】: Designed with a simple yet effective quick release buckle system that allows for effortless adjustment of the face circumference, making it user friendly and efficient in fast paced work settings

Size Chart:

27.5cmx23cmx18cm/10.83inchx9.06inchx7.09inch Suitable for head circumference 54cm-60cm/21.26inch-23.62inch

Package Includes:

1 Construction Helmet

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