adult backshift boa

LACE SYSTEM

• BOA® H4 Coiler reel

FEATURES

• HydrX Pro™ membrane
• Rated to -75°C with 1200g insulation
• Molded inner heel flex insert for backward flex control and impact support
• Slip-on removable liner with micro fur lining
• Flex inserts for positive fit and feel, and maximum comfort
• Heavy-duty 2mm genuine rubber reinforcements
• Front and rear pant cuff attachment system
• Molded ultra-low profile toe box
• 20mm thick EVA midsole for maximum impact absorption
• FXR Aggressive tread with concave footprint for added traction, stability, and floatation for increased grip in winter conditions with toe and heel kick
• Achilles and calf cushion support
• Contoured grab handles for single-handed carrying