M1 Helmet Material and construction Steel outer shell with an ABS plastic inner layer for a balanced combination of strength and impact absorption Chin strap made of canvas, plus a belt, a net, a cat's eye strap, a safety buckle, and an adjustable inner lining for a secure fit Size and fit One size designed to fit head circumferences from 56 to 62 cm Adjustable inner to provide a comfortable fit for a range of head sizes Weight and durability Weighs 1.5 kg, offering solid durability for demanding use Includes a helmet cover and an eye strap Key benefits Protective design combining a steel outer shell with an ABS middle layer for reliable impact resistance Adjustable components for a secure, comfortable fit across different users Durable construction with practical accessories (helmet cover, eye strap) for extended use Applications and use scenarios Outdoor games and survival activities, where robust protection and practical accessories are beneficial Outdoor training and mountaineering, providing reliable head protection in varied environments CS games or movie props, offering a realistic and sturdy helmet option Suitable for collection or display as part of a vintage or themed equipment set Performance and compatibility Functional design that emphasizes protection, adjustability, and durability Onesize fit with adjustable features to maximize comfort and security Realistic, wellmade component set appropriate for outdoor use, training, or display