An ultra light technical boot ideal via ferrata, trekking, glacier crossings and mixed soil. AeOBBRIUBRIUM S GTX is the light and technical boot ideal by via ferrata, trekking and crossings in glaciers and mixed soils. Maximum comfort is guaranteed thanks to the tongue with the soft snow protection on the collar. Exceptional walks thanks to the innovative construction of the double heel heel: the very pronounced double mueria rear geometry increases the downhill braking effect and allows a more fluid rolling, reducing muscle effort. Durability and light coexist in harmony thanks to the new package of sole / inter -tank with the construction of external Gubbi shells and internal foam material for accentuated cushioning and light improvement derived from less use of the rubber layers. The shape is ergonomic: enveloping and precise with the TPU shells integrated into the tip and in the heel to strengthen the upper. The EVO ™ management joint of the 3D flex system with shaped malleolus and abrasion resistant protection, allows better control of the support and perfect mobility of the ankle. The protection of the tip on the absorption of the foot protects against rubbing. The midsole is semi-pramponable, the sole adopts a Vibram® SPRINGLUG technological tread with fenters of the impact brake system for greater adaptability to the surfaces of the hard rock. Mountaineering in perfect harmony. Technological information La Sportva stilled her Sportva, the Sportiva Uppers: high tenacity high tenacity 60.6 nylon with honey abrasion areas. Liner: Comfort for insolest Gore-Tex performance: Nylon Carbon load Intersee: Nobody sole: Vibram® Springlug Tech Bubbbe and Foam For Foam Pu Weight: 630 g (1/2 couple) plus + Snow Guard in Soft Fabric + Language a shell for maximum usury comfort + ergonomic form, enveloping and precise with TPU shells integrated in the tip and in the heel to strengthen the upper + system 3D EVO ™ directional joint with shaped ankle and protected by an anti-abrasion TPU layer: allows Better control of the perfect ankle support and mobility + Ape Guard ™ Nurse Wander with reinforcement of mono-Berretto thread and anti-abrasion tpu movies for protection and light improved + fixing of the hook in the upper part, belt in Bass with lower antiiellar ghette for use with cramps + semi-craconal interstuole compatible with semi-automatic cramps in case of ice or snow