Features:

• Linerless Technology - Slimmed-down upper to reduce overall size & weight.
• Instep Flex-Zone - (BOA specific) 
• PleasureCuff - Delivers a cushioned, comfortable fit and calf support
• Heat retention technology
• Flex - 2.5
  

In-depth features:

• BOA® FIT SYSTEM - Offering on-the-fly micro-adjustability for unmatched adjustment and a custom fit, the BOA® Fit System delivers a fast, effortless, precision fit for improved performance.
• ULTRACUSH™ GROW-WITH-YOU SHIM - Designed for growing feet, this practical youth footbed sits atop a second built-in footbed and can be removed as the foot size grows, adding a half-size of extra room and extending the life of the boot.
• V1 WAFFLE LUG OUTSOLE WITH ALL-TRAC COLD WEATHER RUBBER COMPOUND - This aggressive reverse waffle lug pattern pays tribute to the timeless vulcanized look that puts Vans® on the map while delivering high levels of boardfeel and all-condition traction.