On alpine terrain, climbs and via ferratas, these versatile approach boots provide the support and stability you need to stop blisters in their tracks. Thanks to the Vibram Megagrip sole with a climbing zone, they provide excellent grip for reliable performance on technical terrain. Foam cushioning and a knit upper mold to your feet for an optimal fit, making the Alnasca Knit III Low a great choice for lasting comfort on your next trip. Base Fit Technology: the sliding strap transfers power from the lacing area to the soles, providing a better hold in the shoe for increased safety and comfort. Elastic knitted construction of socks 360 Heel Support: abrasion resistant, 3D shaped element supports the heel and prevents ankle twisting TPU heel stabilizer Anatomically shaped insole Suitable for Climbing, hiking, zooming Item number 3020-06520 Weight (UK 8.5) 380 Flex index A5 Lace system Standard lacing Soles Vibram® Flextron Material 3D knitted Heel drop 11 mm