Scarpa Ribelle HD - Tonic Tonic The Ribelle HD is the perfect shoe for mountain guides and for all people who practice mountaineering, from trekking to via ferrata. It is a "Perwanger" suede product, whose front "rocker" shape facilitates the rolling of the foot. Thanks to the composition of the Vibram "Mont" sole, combined with the use of semi-automatic crampons, the Ribelle HD can be used in all conditions. The waterproof and breathable H-dry technology keeps your feet dry even in the rain, allowing you to tackle any terrain in the most comfortable way.