A responsive, all-mountain binding with a medium-stiff flex for riders who want reliable control across groomers, side hits, and off-piste laps. The STR pairs Union’s durable Duraflex chassis with damp EXT EVA bushings and secure, quick-adjust straps for season-long performance.

Features

• 6.5/10 flex for confident, all-mountain response
• Duraflex baseplate and highback for consistent performance in all temperatures
• EXT multi-density thermoformed EVA bushings for vibration dampening and board feel
• ExoFrame 2.0 ankle strap for supportive, rapid response
• Hexgrip 1.0 toe strap with anti-slip material and multi-position options
• Tool-less forward lean adjuster and strap length adjustments
• Extruded 3D aluminum heelcup for strength and precise boot centering
• Compatible with 2x4, 4x4, and Burton The Channel mounting systems
• Limited lifetime warranty on baseplates and heelcups

Materials

• Duraflex nylon baseplate and highback
• EXT multi-density thermoformed EVA bushings
• Extruded 3D aluminum heelcup