DetailsWhen you want to go higher in the mountains, less weight means more altitude. The MTN Lab is exceptionally light so you can take it on every expedition, and it meets the safety norms for both Alpine and Mountaineering. 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. EPS4D technology helps this helmet meet the safety standards for climbing and skiing. Be fully protected wherever you go in the mountain. With merino wool and AdvancedSkin ActiveDry fabric, the liner provides thermal regulation for your head during climbing sessions, skinning up, and charging down.