evo.com | Union Snowboard Bindings > Level up your riding with the Union STR Snowboard Bindings. Designed with beginner to intermediate riders in mind, this binding is your ticket to exploring more of the mountain as you progress on a board. It's lightweight construction and versatile medium flex create a smooth, approachable feel that's forgiving enough to learn on while still responsive enough to grow with your skills. From cruising groomers to testing out new terrain and dialing in your style, the Union STR is built to keep progression fun every step of the way. Aluminum S2 with Steel Base Providing strength and durability, Union's magnesium buckles are four times stronger than aluminum, while being only half the weight. With ease in mind, spend more time riding, less time messing with buckles. Flex Rating 5 (1 Soft - 10 Stiff) - Soft to medium flex that inspires progression through a balanced stiffness. Extruded 3D Aluminum Heelcup Designed for optimum heel hold and minimization of drag, Union 3D Extruded Aluminum heelcups are designed with durability in mind and backed by a lifetime warranty. 100% pure aluminum that maintains its true shape under heavy wear and tear, providing durable, lightweight performance. S5 Duraflex Lightweight and reliable construction in all terrains and any conditions. Designed to be responsive and approachable no matter what the day brings. Formulated to maintain consistent flex across a wide range of cold temperatures, Duraflex is exclusive to Union for snow hardgoods. S11 Duraflex Responsive, comfortable and designed to handle any weather. Lightweight and capable, this highback progresses with you and is ideal for new riders to advanced for it's versatility. | Union STR Snowboard Bindings 2027 - Medium in Black | Aluminum