SPECS: S/M Weight: 195 grams L/XL Weight: 220 grams S/M Size: 52-57 cm L/XL size: 56-61 cm DESIGN & DETAILS: Versatile, ultra-lightweight helmet for any type of climbing adventures Designed with EPP foam which provides excellent cushioning so you can feel protected no matter the activity The outer design is made with a robust hard shell for maximum safety Foam padding covers the entire interior to provide optimal protection from universal impact Designed with strategic ventilation openings that provide breathability and prevent overheating Easily adjustable all-around chin strap system allows you to customize the helmet perfectly to your head Clip brackets allow you to securely attach a headlamp