Lightweight and compact harness for mountain and ski tours, portable, with feet on the ground. Very light, the altitude climbing harness is suitable for mountaineering and ski tours. Thanks to the simple structure, it allows you to wear it with skis or crampons. The two loops and passers-by offer transport and equipment, the organisation for an ascent in the mountains. Designed for mountain and ski tours: wearable with its feet on the ground, with ski or crampons, double light buckle and easy to use clamp webbing, also with gloves, comfortable to use in gear and suspension. Lightweight and compact: only 150 g, optimised compactness, once given in its case, belt and extremely thin, flexible leg thanks to wire frame technology. The wires in HDPE (high-strength polyethylene) used on the band and stringer; an optimal distribution of the load ensured without having to fill it. The belt can completely forget the lightness and comfort. Simplicity and the ability to transport material: – very simple hotel – single rope points, – two portamariali the equipment to carry and organise – passers-by with internal on each stringer silicised to hold an ice nail. Harness delivered in a protective carrier