evo.com | Union Snowboard Bindings > Built with Torstein Horgmo and brand new to the Union lineup, the Union Source Pro TH Bindings are all about making powerful riding feel effortless. Made for riders who like to charge hard but still keep things fun, this binding brings a fresh freestyle-focused feel to the Source family. A newly redesigned highback adds more freedom, flow, and playfulness to every turn, press and side hit. With pro-level performance capabilities, the Source Pro TH is loose where it should be and locked in where it matters. With it's unisex model, this binding is designed for riders who want creativity and control to coexist in the same binding. S18 Source Duraflex Blue Highback Built with an asymmetrical freeride wrap design and Duraflex Blue Eco-Conscious Nylon to provide a perfect balance of strength, responsiveness, and lightweight feel. Made with 90% sustainable raw materials and audited by ISCC and TUV NORD, Duraflex Blue is Union's first partially sustainable nylon created from a mass-balance feedstock. 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. Flex Rating 7 (1 Soft - 10 Stiff) - A balanced stiffness that can provide smooth and responsive stability. Keeps up with you in any terrain without feeling too rigid. Ankle Strap: Hybrid 3.0 with HP Core Lightweight and responsive, the Hybrid 3.0 ankle strap features a hot-press EVA core for cushioning and comfort. Its all-new hinge connector makes getting in and out of the binding effortless. Magnesium S1 with Aluminum Base Union's lightweight and adjustable ratchets. Increased lifespan and improved spring return. | Union Source Pro TH Snowboard Bindings 2027 - Medium in Black | Nylon/Aluminum