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The Union STR Snowboard Bindings are built for all-day adventures from groomers to powder! These durable, mid-flex bindings are your ticket to elevating your ride, whether you're just starting out or leveling up your snowboarding game.
Flex Rating – 6 (1 Soft - 10 Stiff)
Stage 5 | Duraflex – Duraflex material was specifically engineered to maintain consistent flex in a wide range of cold temperatures. Exclusive to Union for snowsports products.
EXT Thermoformed EVA Bushing – Multi-density bushings sustain their function each season - unlike urethane rubber or other materials that change color and become brittle over time.
Extruded 3D Aluminum Heelcups – Designed for optimum heel hold and minimization of drag, Union 3D Extruded Aluminum heelcups are the strongest in the business.
Canted Footbeds
Stage 11 | Duraflex – Duraflex material was specifically engineered to maintain consistent flex in a wide range of cold temperatures. Super lightweight, incredibly durable and perfect for beginner to advanced freestyle riding.
Tool-less FLAD
ExoFrame 3.0 Ankle Strap – Rapid response, trusted by professional snowboarders.
TS 2.1 Tiles Toe Strap
Aluminum S2 with Steel Base
Grade 8.8 Steel Hardware – The strongest steel available on the market, Union's use of Grade 8.8 represents a commitment to delivering the strongest and most reliable bindings on the market today.
Camber Disk – 4x4, 4x2, and Channel compatible.
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Review 2025 Union STR Snowboard Bindings