Rift Pro's articulated two-part shell flexes naturally and won't deform when you tweak hard or apply more pressure on one side; Transition Zone tech seamlessly connects the sole to the Exo Spine, accelerating response and preventing damage to the back of the boot when entering or exiting the binding; Rift Pro is built for the elements, with a seamless KPU lower section and a durable Armor-Tech toe borrowed from Nidecker's flagship models; Dual BOA technology provides quick, precise lace adjustments via two independent dials. Each controls a distinct boot zone, delivering a custom fit in seconds; Bombproof BOA H4 Coiler increases the speed of entry and quickly takes up lace slack; Awesome foot hold that starts right inside the liner, with 3D molded material and J-bars around the ankle; Surface outsole combines the latest rubber traction underfoot with plush EVA cushioning. The lugs are shaped for even smoother entry and exit when paired with Supermatic bindings; Silver liner can be heat molded for a custom fit and features a Custom Flex Zone at the toes, 8mm PE foam, and added PU support; Pull the inner laces to tighten a shell-mounted harness. Velcro secures the tongue; Constructed from single density EVA, the OrthoLite X35 insole cradles the whole foot to ensure market-leading support with excellent cushioning