When you want to go higher in the mountains, less weight means more altitude. The MTN Lab from Salomon is exceptionally light so you can take it on every expedition, and it meets the safety norms for both Alpine and Mountaineering.\n\nLightweight: The feather-light MTN Lab helmet is best in class. Innovative EPS4D technology, and lightweight parts throughout enable adventurers to bring a helmet on every mission.Complete outdoor Protection: EPS4D technology helps this helmet meet the safety standards for climbing and skiing. Be fully protected wherever you go in the mountain.Moisture management: With merino wool and AdvancedSkin ActiveDry fabric, the liner provides thermal regulation for your head during climbing sessions, skinning up, and charging downActive ventilation allows you to modify the airflow and heat exhaust.Alpine CE-EN1077/ASTM F-2040 and Climbing CE-EN 12492: Certified organizations which are accredited to test and certify products to European (CE) and US (ASTM) safety norms. This product is certified for skiing.Headlamp retainer3D earpadsAudio system compatibleAdvancedskin activedry lining in merino wool that is removable and washableExtra summer liner is includedChinstrap dressing Salomon MTN Lab Rainy Day | Buy Salomon MTN Lab Rainy Day here | Outnorth