Atlas 12 Series Snowshoe Spring-Loaded Suspension - allows natural articulation of the foot and deeper crampon penetration Wrapp Pro binding - new FlowTape Silicone straps, floating tongue, low friction buckles for easiest on/off ReactiV 7075 aluminum frame - lightest and strongest, the V-shape balances stiffness with responsiveness Stainless Steel Holey-1 Toe Crampon and Stainless Steel Advanced Aft Traction Heel Lift Bar and Duratek Decking