XLWLLNJ Climbing Helmet Caving Helmet Protector Adjustable Size Construction Hardhat for Red

[ Design]: The mountaineering helmet comes with a gear design that can effectively protect the chin for added comfort. It also includes a quick release buckle for easy wearing and removal. [Ventilation Design]: The climbing helmet features ventilation holes that effectively dissipate heat and promote breathability and ventilation, keeping you cool during your activities. [Adjustable Size]: The helmet's adjustment device allows you to adjust the size to fit you perfectly. By turning it to the right, you can make the size smaller. It is suitable for helmet circumferences 52cm-62cm/20.47inch-24.41inch. [Quality Material]: This outdoor arborist helmet is made of PC material, which has high strength, high workmanship, wear resistance, and lightweight properties. [Comfortable Interior]: The interior of the helmet uses a soft design making it comfortable to wear during various activities such as mountaineering, rock climbing, cave exploration, rope descent, operations, etc. Specification: Material: PC Size Chart: 26cmx20.5cm/10.24inchx8.07inch Package Includes: 1 Climbing Helmet Note: Please allow slightly errors 1-2cm differences due to manual measurement.