You can't beat fluffy goose down for winter warmth, as you'll discover when you pull on our Hyalite Down Jacket. Filled with 550-fill responsibly sourced down, this is the jacket you'll turn to when you want to be sure of staying warm and toasty on the mountain. Zipped pockets let you stow your phone and other essentials without worrying that they'll fall out when you're navigating tough hiking trails.