Burton SLX - Burton's highest performance option snowboard boots. The Life+ Liner is most comfortable,providing warmth to a higher degree by being the only liner with a full DRYRIDE Heat Cycle™ interior. Underfoot, the Vibram® XWing Outsole with EcoStep™ Plus is comprised of 50% recycled rubber, minimizing environmental footprint. Shock absorption is equally advanced with Burton-exclusive ReBounce bringing cushioning closer to your foot while simultaneously reflecting body heat to keep warmth and cushioning consistent in cold weather. Great boots. Everything works fine.