The new ALLTRACK 90 delivers an award-winning fusion of power, precision, and hiking performance in our anatomic 102mm fit. Compatible with WTR rockered soles, Alltrack offers ski-hike versatility combined with traditional alpine performance that continues to go unmatched. Sensor Grid shell technology and OptiSensor 3D liners deliver optimized foot wrapping, comfort, warmth and support.
  
 Sensor Grid 102mm:
 Two internal lasts based on the same construction, designed to fit as closely as possible to the foot with perfect anatomical wrap.102 mm for ALLTRACK models
  
 Diagonal Buckles:
 Patented diagonally-oriented buckles provide better shell wrap and fit, and are easier to align during entry and exit. The diagonal angle pulls the foot back into the heel pocket for increased support.
  
 OPTISENSOR LINERS deliver a new level of optimized foot wrapping with strategically placed external features, providing a sock-like, contoured fit. New external materials in key fit-zones (instep, ankle, and heel), allow precise foot envelopment and improved interaction between the foot, liner, and shell. 
  
 Hike Mode:
 A lever at the rear of the cuff lets you easily toggle between the SKI and HIKE positions. When the lever is pulled up, it creates a slight flexion to the front to unlock the cuff. Lever up: HIKE position - Lever down: SKI position
  
 SHELL
 Technology - SENSOR GRID
 Material - shell - POLYURETHANE
 Bootboard - PU
  
 CUFF
 Specifications - HIKE MODE
 Material - cuff - POLYOLEFINE
  
 LINER
 Liner - technology - OPTISENSOR T4
 Powerstrap width (mm) - 40 mm
 Liner - tongue - POWER WRAP - ONE-PIECE TOE BOX
  
 BUCKLES
 Technology - DIAGONAL BUCKLES
 Adjustment - 4 MICRO
 Additional functions - ADJUSTABLE TEETH 3 POSITIONS
 Buckles - material -100% ALUMINIUM
  
 SOLES
 Heel pieces - WTR COMPATIBLE OPTION
  
 Last Width 102
 Rossignol Flex Index 90