Features of the Union Atlas Binding Injected with Duraflex ST Nylon, the Stage 3 Atlas base is a stiff, all mountain ripping machine Multi-Density Thermoformed Bushings sustain their function season after season The rigidity and strength of the Extruded Aluminum heel cups acts like a roll cage on a race car - stiffening the entire chassis. Atlas Highbacks- super lightweight, streamlined design provides a seamless bootinterface with complete lateral freedom for maximum tweakage Strength and instant response on the outside, Fit and comforton the inside - the ExoFrame ankle strap provides the ultimateconnection between rider and Board Magnesium ratchets - The union exclusive process produces a material 4 times the strength of aluminum with only 1/2 the weight Canted power - Ideal for riders using a wide stance, Canted Gas Pedals on the Atlas supply extra leverage for ollie power. Canting also allows the ankle and knee joints to bealigned, alleviating pain.