If you steer clear of anything less than advanced-level skiing, the Head Challenger 130 Ski Boot is for you. This high-performing boot is built for expert skiers who need a level of stiffness to match their ability. The Ski-Hike Mechanism allows you to strap on the skins and comfortably take the Challenger 130’s into the backcountry. The adjustable width will keep your boots tight even after they are broken in. Additionally, the Head Challenger 130's come with a liner that adapts to your foot shape. So if you're up for a challenge, these boots can show you the way.