The lightest quantum touring boot ever, designed for demanding fitness tourer, focussing on agility and fastest ascents. featuring the radical bonded shell technology, carbon dual link cuff and id touring super light liner.with only 875 g (size 265) this is the lightest version of the quantum series made for easiest and fastest ascents. the 285 mm length (size 265) of the shell allows agile hikes and freedom of movement. its innovative, two piece shell and cuff construction makes for minimum weight, anatomical fit and the combination of a firm, rigid outer shell with full-length bootboard, still offering great freedom of movement for climbs. the carbon-reinforced cuff lowers the weight and yet increases the rigidity. this initially makes the climb easier and less energy-consuming. it later ensures good power transfer and ski control on the descent. the two-piece dual link cuff allows a 65° range of motion and is securely locked with a non-stretchable dyneema cord so as to provide lateral stability. above-average heel hold is guaranteed by the quick lacing system (qls), which is adjusted by simply turning the rotor. the ultra-light, high quality id touring sock liner with honeycomb cuff airpad, thermo toe box and full speed lacing offers great fit and climate thermal insulation. of course, it can be adapted to the shape of the foot. a profiled vibram rocker sole with varying hardness offers good grip when walking and climbing plus smooth power transfer to the binding and ski.Featuresid touring lite:qls quick lacing system:- most precise fitting & lacing adjustment- uniform pressure- excellent footholding thanks to hidden 45° lace at instep areahike to ride or ride to hike mode:- designed for security, release the hike & ride lever by moving it away from the holding rod. find the sweet spot roughly with the boot at 90 degrees. do the opposite to close the lever into ski modecuff movement (65° range of motion):- forward and backward lean for the bootstouring norm with tech insert (pin):- all lupo models may be used with iso 9523 alpine touring norm bindings due to their tech inserts. by changing the rockered soles to the interchangeable alpine soles the boots fit in all alpine bindings as well but are not certified iso 5355.cam cleat closure:- move lever toward leg once you find the desired snugness and into closed positiondual link cuff:- rom