True to the Zero G spirit, the Zero G Tour Pro is a rigid ski touring boot for experienced tourers. Never before has a boot performed so well on the descent and so light on the ascent. The carbon fiber collar and Grilamid shell make this the lightest boot in the Zero G collection at 1,320 grams (size 26.5), making it the lightest ski boot ever. With a generous 55° range of motion, climbing or skiing is a breeze. And on the way down, the boot works wonders, with its four-hook tightening and 130 flex providing outstanding support and responsiveness. The Zero G Tour Pro can be forgotten on the way up, and it can be used to make turns with control on the way down. It's no wonder that some of the world's best ski mountaineers have already adopted it. Suddenly, the mountains in the distance seem within reach.