Breathable lightweight merino jersey for grimpeursknown as the house of the sun mount haleakala covers 75 of the hawaiian island of maui from its peak you are offered breathtaking panoramic views of its volcanic crater while overlooking haleakala national park at 3 055 meters climbing mount haleakala is not for the faint hearted with its barren scenery it stands on top of isadore founder and pro rider martin velits list of mountains to conquer in a single ride its unforgettable scene