PCS Liner System: Expanded liner allows room for new Ethafoam, an extra cushioning, slow-memory foam that cushions well and comfortably. Extra room in the last also allows for a thick multilayer footbed for enhanced shock resistance. Ski-Walk Device: A device in the rear allows extra expansion in walk mode so you get extra comfort when walking.

3 Density Construction: The Mode 3D construction is a 50/50 hard soft shell construction that allows easy entry and exit, and comfortable wrapping.

Hook-and-Loop Fastener PowerStrap and Modo Alu Micro Buckles: New low profile design. Resistant to impact and twisting, micro-adjustable

Triple Position Cuff Catches: The two cuff catches can be easily moved to fit varying leg shapes. The positioning catches have a range of 44mm: 22mm forward and 22mm back. Simply use the tool provided to remove the screws and the plate on the inside. Move the catch to the desired position. Reinsert the screws and the back plate. Tighten. Hinged Instep Catch: The instep catch is on a hinge allowing it to adjust for better pressure distribution and closure. It can pivot away from the shell allowing the shell to spread without interference allowing easy entry & exit.

UltraFit Liner: Outer ethafoam conforms to shell, and pre-molded thermoformable EVA fits to your foot