Fast in. Fast out. Locked in for total control. The Union Astra Step On® brings the proven convenience of Step On® technology to women’s all-mountain performance. Featuring the Step On® Instant Connection™ System, the Astra delivers lightning-fast entry and exit without sacrificing response, precision, or power.

Key Features

• Step On® Instant Connection™ System
• Adjustable Forward Lean
• Adjustable Gas Pedal
• Hi-Flex EVA Bushing

Model Features

• Baseplate: S1 Step On® W Duraflex ST — Engineered for unmatched durability, this baseplate is designed and manufactured by Union to deliver longlasting performance.
• Bushing: Hi-Flex HP EVA — A responsive, waterproof, and vibration canceling layer between the baseplate and the board.
• Footbed: Non-Stick HP EVA — Additional shock absorption; prevents snow and ice build-up under boots.
• Canting: No — Canting is not available on this binding model.
• Highback: S1 Step On® W Duraflex ST — Women's specific performance combined with the easy-to-use Step On® Instant Connection™ System.
• Flad: Integrated 2-Stage — Quickly adjust your forward lean angle to suit the terrain in front of you.
• Heelcup: Extruded 3D Aluminum — Designed for optimum heel hold and minimization of drag. Lifetime warranty.
• Hardware: Grade 8.8 Steel — The strongest steel available on the market.
• Compatibility: 4x2, Channel
• Disk Type: Step On® 4x2 Disk, Step On® Channel Disk