Description AEBBRIBRIUM LT GTX is the alpine hiking boot with heavy loads, ideal for backpacking and walking several days at altitude. Exceptional walks thanks to the innovative construction of the Double Heel ™ heel: the very pronounced double back geometry increases the downhill braking effect and allows a more fluid rolling reducing muscle fatigue. Care and lightness coexist in harmony thanks to the new package Intersuola sole with external Rubber ™ shell construction and internal expanded material for an accentuated cushoning and lightness derived from a lower use of rubber layers. The shape is Ergonomic: enveloping and precise with tpu shells integrated on the tip and heel reinforcing the upper. The 3D Flex System Evo ™ directional junction with shaped malleolus and anti-abrasion protection, allows better control of the support and a perfect mobility of the ankle. Vibram® Springlug Tech tread with Tasselli Impact Brake System for greater adaptability to the hard surfaces of the rock. Tech Info La Sportiva La Sportiva La Sportiva La Sportiva La Sportiva Tomaia: nubuk + reports in anti-abrasion fabric for liber: gore-tex performance comfort insole: nylon uploaded carbon interstain: absentee sole: rubber tread vibram® sprringlug tech and interior expanded Weight: 640 g (1/2 pair)