• Step On® Instant Connection™ System
  • Innovative boot-to-binding connection point provides instant heel-to-toe response. The system maximizes convenience and performance, making it faster and easier to get in and out of the binding without compromising control.
• S1 Step On® Duraflex CB Baseplate
  • Union strength and dependability + the easy-to-use performance of the Step On® Instant Connection™ System. The engineering team at Union has spent countless hours perfecting the S1 Step On® Duraflex CB Baseplate. Backed by Union's lifetime warranty guarantee.
• Drive Frame Hi-Flex HP EVA Bushing
  • Exclusive to the Atlas Pro Step On®, the Drive Frame Hi-Flex EVA bushing combines a rigid nylon frame with precision-engineered damping to increase stiffness and underfoot response, delivering a more connected, powerful ride without sacrificing comfort.
• Non-Stick HP EVA Footbed
  • The next evolution of Union's non-stick EVA technology. Non-Stick Hot Press EVA creates a closed-cell, 100% waterproof surface that prevents snow and ice buildup underfoot. Designed to absorb vibration and cushion impacts, it delivers a smoother ride with lasting comfort. Easily adjusts for the perfect fit with your boots.
• S1 Step On® Pro Forged Hybrid Highback
  • Stiff and responsive forged carbon spine delivers maximum board control, while the Duraflex CB nylon construction ensures long-lasting durability. Increased forward lean provides faster edge-to-edge response for quick, precise turns.

Flex Rating (1 Soft - 10 Stiff): 8

Binding Style: Step-On