Comfort, control, and confidence—right out of the box. The Union STR is a durable, mid-flexing all-mountain binding built for riders ready to take their skills to the next level. With all-day comfort and forgiving response, it’s the perfect choice for beginner to intermediate snowboarders looking to explore more of the mountain and level up every run. Reliable performance meets accessible progression. - Features Binding Flex: 6/10 Baseplate: Stage 5 Duraflex Baseplate: All day comfort and response for riding the entire mountain. The bombproof Stage 5 Duraflex baseplate is built to last. Backed by a lifetime warranty. Bushing: EXT Thermoformed EVA - Shock absorbing EVA padding saves your heels and promotes a true and even board flex. Heelcup: Extruded 3D Aluminum - Designed for optimum heel hold and minimization of drag. Lifetime warranty. Highback: S11 Duraflex - Comfortable, responsive and ready to carve up the mountain. Ankle Strap: Exoframe 3.0 - Lightweight, super durable and provide a locked in ride feel. Toe Strap: TS 2.1 Tiles - Multi-Positional options, thermoplastic anti-slip material and fits to any boot. Ratchet: Aluminium S2 w/ Steel - Fast in, fast out - Union aluminum ratchets are easy to use and made to stand the test of time. FLAD: Tool-Less - Quickly adjust your forward lean angle to suit the terrain in front of you. Hardware: Grade 8.8 Steel - The strongest steel available on the market. Strap Adjustment: Tool-Less - Easily Adjust With A #3 Screw Driver Canting: Yes - 3º Disk Compatability: Camber Disk - 4x4, 4x2, Channel. Union Warranty: Lifetime for Baseplate/Heelcup - 2 years for everything else. - Union Men's Binding Size Guide Size Small Medium Large Men’s US Boot Size 5.5 - 7.5 8 - 10 10.5 - 13 EURO Boot Size 37 - 40.5 41 - 43 43.5 - 46 UK Boot Size 4.5 - 6.5 7 - 9 9.5 - 12 Mondo Boot Size (cm) 23.5 - 25.5 26 - 28 28.5 - 31
