Medium Flex PowerUP Tongue – For greater rebound and durability, the majority of Burton's boots feature this dual density tongue construction. Like all Thin Profile 3D® Molded Tongues, it's available in one of three flex options based on the boot.

Wishbone Upper Cuff – The Wishbone Cuff defies convention, combining power and freedom into one. Picking up where the Crossbone Cuff left off, it features Jumper Cables on both the medial and lateral sides for twice the snap, rebound, and life without sacrificing the high tweakability of a softer boot. Featured on the Ambush, Felix, and NEW Ambush Smalls.

Oversized Flex Notches – These strategically placed notches minimize shell distortion and allow for a smoother, more fluid toe and heelward flex.

GripLITE Backstay – Snugging up the fit between boot and hi-back, our new rubber print backstays also shave weight and enhance material-to-material grip. The result of this printed rubber application is more direct transfer from boot to binding to board for reduced rider fatigue.

Total Comfort Construction – Get an instantly broken-in feel right out of the box. Total Comfort's industry-exclusive construction eliminates the break-in period for a fit that feels just as good from day 1 to day 100.

Imprint 3 Liner – Focus Cuff Heel Hold System with Velcro® J-Bar Interface and Inner Lace Lock // Plush Cuff 1.0 // Sock Lock // Rad Pad for lace comfort // Velcro® Liner Closure // Level 2 Molded EVA footbed with ESS Support Shank and Aegis™ Antimicrobial Coating // Heat-Moldable

Focus Cuff – Boosting heel-hold by hugging that sweet spot around your ankle, the Focus Cuff rides slightly higher on your ankle for increased response.

Rad Pad – The pad is located on the top of your instep, right where the internal laces exert the most pressure, a Rad Pad has pre-curved panels for extra comfort, support and long-wear.

Plush Cuff 1.0 – The Plush Cuff 1.0 hugs your calf like no other thanks to a combination of medial and lateral neoprene stretch zones and super soft fur lining.

Sock Lock – This directional fiber lining allows your feet to easily slide into place and stay in place from first chair to last call.

Speed Zone™ Lacing System for True Zonal Lacing Control – Lightning fast lacing control. Customize the fit of the upper or lower zone in seconds, and because the system is so powerful, you get more rebound, more wrap, and better response - with less effort.

New England Ropes – American-made, natural fiber ropes help power Burton's Speed Zone™ systems. Virtually indestructible, New England Ropes' laces are the same stuff used by stunt men, firefighters, and rescue teams.

Level 2 Molded EVA Footbed – Lightweight and long-lasting shock absorption.

B3 Gel – Ultimate dampening formulated to withstand repeated impacts without breaking down or hardening up in cold temps.

Sleeping Bag Reflective Foil – This low-profile and lightweight underfoot technology reflects heat back to the feet, improving both warmth and comfort when faced with cold conditions.

DynoLite EST Optimized Outsole – Superior cushioning, improved board feel, and consistent support in a 20% lighter weight construction. Made entirely of an exclusive cushioning compound specially formulated to withstand repeated impacts and freezing temps for long lasting shock absorption.

EST – EST® goes beyond bindings by optimizing the oles on select boots for a more direct connection. Lower-profile, lighter weight, and with a reduced ramp angle (more like a skate shoe and less like a running shoe), EST lowers your center of gravity and improves feel. All without sacrificing an ounce of cushioning thanks to ultra-dampening B3 Gel inserts.

Snow-Proof Internal Gusset – All Burton boot tongues feature an internal gusset construction to completely seal the lower zone of the boot, keeping your feet warm and dry.